19517190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 63825408

約数和(自身を除く): 44308218

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 17, 21, 22, 30, 33, 34, 35, 42, 49, 51, 55, 66, 70, 71, 77, 85, 98, 102, 105, 110, 119, 142, 147, 154, 165, 170, 187, 210, 213, 231, 238, 245, 255, 294, 330, 355, 357, 374, 385, 426, 462, 490, 497, 510, 539, 561, 595, 710, 714, 735, 770, 781, 833, 935, 994, 1065, 1078, 1122, 1155, 1190, 1207, 1309, 1470, 1491, 1562, 1617, 1666, 1785, 1870, 2130, 2310, 2343, 2414, 2485, 2499, 2618, 2695, 2805, 2982, 3234, 3479, 3570, 3621, 3905, 3927, 4165, 4686, 4970, 4998, 5390, 5467, 5610, 6035, 6545, 6958, 7242, 7455, 7810, 7854, 8085, 8330, 8449, 9163, 10437, 10934, 11715, 12070, 12495, 13090, 13277, 14910, 16170, 16401, 16898, 17395, 18105, 18326, 19635, 20874, 23430, 24990, 25347, 26554, 27335, 27489, 32802, 34790, 36210, 38269, 39270, 39831, 42245, 45815, 50694, 52185, 54670, 54978, 59143, 66385, 76538, 79662, 82005, 84490, 91630, 92939, 104370, 114807, 118286, 126735, 132770, 137445, 164010, 177429, 185878, 191345, 199155, 229614, 253470, 274890, 278817, 295715, 354858, 382690, 398310, 464695, 557634, 574035, 591430, 650573, 887145, 929390, 1148070, 1301146, 1394085, 1774290, 1951719, 2788170, 3252865, 3903438, 6505730, 9758595, 19517190]

約数ペア:

[(1, 19517190), (2, 9758595), (3, 6505730), (5, 3903438), (6, 3252865), (7, 2788170), (10, 1951719), (11, 1774290), (14, 1394085), (15, 1301146), (17, 1148070), (21, 929390), (22, 887145), (30, 650573), (33, 591430), (34, 574035), (35, 557634), (42, 464695), (49, 398310), (51, 382690), (55, 354858), (66, 295715), (70, 278817), (71, 274890), (77, 253470), (85, 229614), (98, 199155), (102, 191345), (105, 185878), (110, 177429), (119, 164010), (142, 137445), (147, 132770), (154, 126735), (165, 118286), (170, 114807), (187, 104370), (210, 92939), (213, 91630), (231, 84490), (238, 82005), (245, 79662), (255, 76538), (294, 66385), (330, 59143), (355, 54978), (357, 54670), (374, 52185), (385, 50694), (426, 45815), (462, 42245), (490, 39831), (497, 39270), (510, 38269), (539, 36210), (561, 34790), (595, 32802), (710, 27489), (714, 27335), (735, 26554), (770, 25347), (781, 24990), (833, 23430), (935, 20874), (994, 19635), (1065, 18326), (1078, 18105), (1122, 17395), (1155, 16898), (1190, 16401), (1207, 16170), (1309, 14910), (1470, 13277), (1491, 13090), (1562, 12495), (1617, 12070), (1666, 11715), (1785, 10934), (1870, 10437), (2130, 9163), (2310, 8449), (2343, 8330), (2414, 8085), (2485, 7854), (2499, 7810), (2618, 7455), (2695, 7242), (2805, 6958), (2982, 6545), (3234, 6035), (3479, 5610), (3570, 5467), (3621, 5390), (3905, 4998), (3927, 4970), (4165, 4686)]