19607640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12569}}^1$

素因数の和:12596

約数の個数: 64

約数和(自身を含む): 63352800

約数和(自身を除く): 43745160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12569, 25138, 37707, 50276, 62845, 75414, 100552, 125690, 150828, 163397, 188535, 251380, 301656, 326794, 377070, 490191, 502760, 653588, 754140, 816985, 980382, 1307176, 1508280, 1633970, 1960764, 2450955, 3267940, 3921528, 4901910, 6535880, 9803820, 19607640]

約数ペア:

[(1, 19607640), (2, 9803820), (3, 6535880), (4, 4901910), (5, 3921528), (6, 3267940), (8, 2450955), (10, 1960764), (12, 1633970), (13, 1508280), (15, 1307176), (20, 980382), (24, 816985), (26, 754140), (30, 653588), (39, 502760), (40, 490191), (52, 377070), (60, 326794), (65, 301656), (78, 251380), (104, 188535), (120, 163397), (130, 150828), (156, 125690), (195, 100552), (260, 75414), (312, 62845), (390, 50276), (520, 37707), (780, 25138), (1560, 12569)]