19808070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 52669440

約数和(自身を除く): 32861370

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 59, 62, 93, 95, 114, 118, 155, 177, 186, 190, 285, 295, 310, 354, 361, 465, 570, 589, 590, 722, 885, 930, 1083, 1121, 1178, 1767, 1770, 1805, 1829, 2166, 2242, 2945, 3363, 3534, 3610, 3658, 5415, 5487, 5605, 5890, 6726, 8835, 9145, 10830, 10974, 11191, 11210, 16815, 17670, 18290, 21299, 22382, 27435, 33573, 33630, 34751, 42598, 54870, 55955, 63897, 67146, 69502, 104253, 106495, 111910, 127794, 167865, 173755, 208506, 212990, 319485, 335730, 347510, 521265, 638970, 660269, 1042530, 1320538, 1980807, 3301345, 3961614, 6602690, 9904035, 19808070]

約数ペア:

[(1, 19808070), (2, 9904035), (3, 6602690), (5, 3961614), (6, 3301345), (10, 1980807), (15, 1320538), (19, 1042530), (30, 660269), (31, 638970), (38, 521265), (57, 347510), (59, 335730), (62, 319485), (93, 212990), (95, 208506), (114, 173755), (118, 167865), (155, 127794), (177, 111910), (186, 106495), (190, 104253), (285, 69502), (295, 67146), (310, 63897), (354, 55955), (361, 54870), (465, 42598), (570, 34751), (589, 33630), (590, 33573), (722, 27435), (885, 22382), (930, 21299), (1083, 18290), (1121, 17670), (1178, 16815), (1767, 11210), (1770, 11191), (1805, 10974), (1829, 10830), (2166, 9145), (2242, 8835), (2945, 6726), (3363, 5890), (3534, 5605), (3610, 5487), (3658, 5415)]