2018106990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{72101}}^1$

素因数の和:72425

約数の個数: 48

約数和(自身を含む): 5264022816

約数和(自身を除く): 3245915826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 622, 933, 1555, 1866, 2799, 3110, 4665, 5598, 9330, 13995, 27990, 72101, 144202, 216303, 360505, 432606, 648909, 721010, 1081515, 1297818, 2163030, 3244545, 6489090, 22423411, 44846822, 67270233, 112117055, 134540466, 201810699, 224234110, 336351165, 403621398, 672702330, 1009053495, 2018106990]

約数ペア:

[(1, 2018106990), (2, 1009053495), (3, 672702330), (5, 403621398), (6, 336351165), (9, 224234110), (10, 201810699), (15, 134540466), (18, 112117055), (30, 67270233), (45, 44846822), (90, 22423411), (311, 6489090), (622, 3244545), (933, 2163030), (1555, 1297818), (1866, 1081515), (2799, 721010), (3110, 648909), (4665, 432606), (5598, 360505), (9330, 216303), (13995, 144202), (27990, 72101)]