18795507770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{40039}}^1$

素因数の和:40239

約数の個数: 64

約数和(自身を含む): 38261583360

約数和(自身を除く): 19466075590

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 157, 230, 299, 314, 598, 785, 1495, 1570, 2041, 2990, 3611, 4082, 7222, 10205, 18055, 20410, 36110, 40039, 46943, 80078, 93886, 200195, 234715, 400390, 469430, 520507, 920897, 1041014, 1841794, 2602535, 4604485, 5205070, 6286123, 9208970, 11971661, 12572246, 23943322, 31430615, 59858305, 62861230, 81719599, 119716610, 144580829, 163439198, 289161658, 408597995, 722904145, 817195990, 1445808290, 1879550777, 3759101554, 9397753885, 18795507770]

約数ペア:

[(1, 18795507770), (2, 9397753885), (5, 3759101554), (10, 1879550777), (13, 1445808290), (23, 817195990), (26, 722904145), (46, 408597995), (65, 289161658), (115, 163439198), (130, 144580829), (157, 119716610), (230, 81719599), (299, 62861230), (314, 59858305), (598, 31430615), (785, 23943322), (1495, 12572246), (1570, 11971661), (2041, 9208970), (2990, 6286123), (3611, 5205070), (4082, 4604485), (7222, 2602535), (10205, 1841794), (18055, 1041014), (20410, 920897), (36110, 520507), (40039, 469430), (46943, 400390), (80078, 234715), (93886, 200195)]