18751980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:883

約数の個数: 96

約数和(自身を含む): 58564800

約数和(自身を除く): 39812820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 829, 870, 1131, 1508, 1658, 1740, 1885, 2262, 2487, 3316, 3770, 4145, 4524, 4974, 5655, 7540, 8290, 9948, 10777, 11310, 12435, 16580, 21554, 22620, 24041, 24870, 32331, 43108, 48082, 49740, 53885, 64662, 72123, 96164, 107770, 120205, 129324, 144246, 161655, 215540, 240410, 288492, 312533, 323310, 360615, 480820, 625066, 646620, 721230, 937599, 1250132, 1442460, 1562665, 1875198, 3125330, 3750396, 4687995, 6250660, 9375990, 18751980]

約数ペア:

[(1, 18751980), (2, 9375990), (3, 6250660), (4, 4687995), (5, 3750396), (6, 3125330), (10, 1875198), (12, 1562665), (13, 1442460), (15, 1250132), (20, 937599), (26, 721230), (29, 646620), (30, 625066), (39, 480820), (52, 360615), (58, 323310), (60, 312533), (65, 288492), (78, 240410), (87, 215540), (116, 161655), (130, 144246), (145, 129324), (156, 120205), (174, 107770), (195, 96164), (260, 72123), (290, 64662), (348, 53885), (377, 49740), (390, 48082), (435, 43108), (580, 32331), (754, 24870), (780, 24041), (829, 22620), (870, 21554), (1131, 16580), (1508, 12435), (1658, 11310), (1740, 10777), (1885, 9948), (2262, 8290), (2487, 7540), (3316, 5655), (3770, 4974), (4145, 4524)]