2018938360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{18911}}^1$

素因数の和:19096

約数の個数: 64

約数和(自身を含む): 4840715520

約数和(自身を除く): 2821777160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 157, 170, 314, 340, 628, 680, 785, 1256, 1570, 2669, 3140, 5338, 6280, 10676, 13345, 18911, 21352, 26690, 37822, 53380, 75644, 94555, 106760, 151288, 189110, 321487, 378220, 642974, 756440, 1285948, 1607435, 2571896, 2969027, 3214870, 5938054, 6429740, 11876108, 12859480, 14845135, 23752216, 29690270, 50473459, 59380540, 100946918, 118761080, 201893836, 252367295, 403787672, 504734590, 1009469180, 2018938360]

約数ペア:

[(1, 2018938360), (2, 1009469180), (4, 504734590), (5, 403787672), (8, 252367295), (10, 201893836), (17, 118761080), (20, 100946918), (34, 59380540), (40, 50473459), (68, 29690270), (85, 23752216), (136, 14845135), (157, 12859480), (170, 11876108), (314, 6429740), (340, 5938054), (628, 3214870), (680, 2969027), (785, 2571896), (1256, 1607435), (1570, 1285948), (2669, 756440), (3140, 642974), (5338, 378220), (6280, 321487), (10676, 189110), (13345, 151288), (18911, 106760), (21352, 94555), (26690, 75644), (37822, 53380)]