19875030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 58392576

約数和(自身を除く): 38517546

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 43, 62, 70, 71, 86, 93, 105, 129, 142, 155, 186, 210, 213, 215, 217, 258, 301, 310, 355, 426, 430, 434, 465, 497, 602, 645, 651, 710, 903, 930, 994, 1065, 1085, 1290, 1302, 1333, 1491, 1505, 1806, 2130, 2170, 2201, 2485, 2666, 2982, 3010, 3053, 3255, 3999, 4402, 4515, 4970, 6106, 6510, 6603, 6665, 7455, 7998, 9030, 9159, 9331, 11005, 13206, 13330, 14910, 15265, 15407, 18318, 18662, 19995, 21371, 22010, 27993, 30530, 30814, 33015, 39990, 42742, 45795, 46221, 46655, 55986, 64113, 66030, 77035, 91590, 92442, 93310, 94643, 106855, 128226, 139965, 154070, 189286, 213710, 231105, 279930, 283929, 320565, 462210, 473215, 567858, 641130, 662501, 946430, 1325002, 1419645, 1987503, 2839290, 3312505, 3975006, 6625010, 9937515, 19875030]

約数ペア:

[(1, 19875030), (2, 9937515), (3, 6625010), (5, 3975006), (6, 3312505), (7, 2839290), (10, 1987503), (14, 1419645), (15, 1325002), (21, 946430), (30, 662501), (31, 641130), (35, 567858), (42, 473215), (43, 462210), (62, 320565), (70, 283929), (71, 279930), (86, 231105), (93, 213710), (105, 189286), (129, 154070), (142, 139965), (155, 128226), (186, 106855), (210, 94643), (213, 93310), (215, 92442), (217, 91590), (258, 77035), (301, 66030), (310, 64113), (355, 55986), (426, 46655), (430, 46221), (434, 45795), (465, 42742), (497, 39990), (602, 33015), (645, 30814), (651, 30530), (710, 27993), (903, 22010), (930, 21371), (994, 19995), (1065, 18662), (1085, 18318), (1290, 15407), (1302, 15265), (1333, 14910), (1491, 13330), (1505, 13206), (1806, 11005), (2130, 9331), (2170, 9159), (2201, 9030), (2485, 7998), (2666, 7455), (2982, 6665), (3010, 6603), (3053, 6510), (3255, 6106), (3999, 4970), (4402, 4515)]