20180867832

素因数分解:

$2^3\times 3^2\times {\mathrm{971}}^1\times {\mathrm{288661}}^1$

素因数の和:289644

約数の個数: 48

約数和(自身を含む): 54712995480

約数和(自身を除く): 34532127648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 971, 1942, 2913, 3884, 5826, 7768, 8739, 11652, 17478, 23304, 34956, 69912, 288661, 577322, 865983, 1154644, 1731966, 2309288, 2597949, 3463932, 5195898, 6927864, 10391796, 20783592, 280289831, 560579662, 840869493, 1121159324, 1681738986, 2242318648, 2522608479, 3363477972, 5045216958, 6726955944, 10090433916, 20180867832]

約数ペア:

[(1, 20180867832), (2, 10090433916), (3, 6726955944), (4, 5045216958), (6, 3363477972), (8, 2522608479), (9, 2242318648), (12, 1681738986), (18, 1121159324), (24, 840869493), (36, 560579662), (72, 280289831), (971, 20783592), (1942, 10391796), (2913, 6927864), (3884, 5195898), (5826, 3463932), (7768, 2597949), (8739, 2309288), (11652, 1731966), (17478, 1154644), (23304, 865983), (34956, 577322), (69912, 288661)]