2018728990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{20939}}^1$

素因数の和:21288

約数の個数: 32

約数和(自身を含む): 3763169280

約数和(自身を除く): 1744440290

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 311, 622, 1555, 3110, 9641, 19282, 20939, 41878, 48205, 96410, 104695, 209390, 649109, 1298218, 3245545, 6491090, 6512029, 13024058, 32560145, 65120290, 201872899, 403745798, 1009364495, 2018728990]

約数ペア:

[(1, 2018728990), (2, 1009364495), (5, 403745798), (10, 201872899), (31, 65120290), (62, 32560145), (155, 13024058), (310, 6512029), (311, 6491090), (622, 3245545), (1555, 1298218), (3110, 649109), (9641, 209390), (19282, 104695), (20939, 96410), (41878, 48205)]