18679830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 48722688

約数和(自身を除く): 30042858

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 211, 227, 390, 422, 454, 633, 681, 1055, 1135, 1266, 1362, 2110, 2270, 2743, 2951, 3165, 3405, 5486, 5902, 6330, 6810, 8229, 8853, 13715, 14755, 16458, 17706, 27430, 29510, 41145, 44265, 47897, 82290, 88530, 95794, 143691, 239485, 287382, 478970, 622661, 718455, 1245322, 1436910, 1867983, 3113305, 3735966, 6226610, 9339915, 18679830]

約数ペア:

[(1, 18679830), (2, 9339915), (3, 6226610), (5, 3735966), (6, 3113305), (10, 1867983), (13, 1436910), (15, 1245322), (26, 718455), (30, 622661), (39, 478970), (65, 287382), (78, 239485), (130, 143691), (195, 95794), (211, 88530), (227, 82290), (390, 47897), (422, 44265), (454, 41145), (633, 29510), (681, 27430), (1055, 17706), (1135, 16458), (1266, 14755), (1362, 13715), (2110, 8853), (2270, 8229), (2743, 6810), (2951, 6330), (3165, 5902), (3405, 5486)]