2018357984

素因数分解:

$2^5\times {\mathrm{197}}^1\times {\mathrm{353}}^1\times {\mathrm{907}}^1$

素因数の和:1467

約数の個数: 48

約数和(自身を含む): 4009542768

約数和(自身を除く): 1991184784

約数列:

[1, 2, 4, 8, 16, 32, 197, 353, 394, 706, 788, 907, 1412, 1576, 1814, 2824, 3152, 3628, 5648, 6304, 7256, 11296, 14512, 29024, 69541, 139082, 178679, 278164, 320171, 357358, 556328, 640342, 714716, 1112656, 1280684, 1429432, 2225312, 2561368, 2858864, 5122736, 5717728, 10245472, 63073687, 126147374, 252294748, 504589496, 1009178992, 2018357984]

約数ペア:

[(1, 2018357984), (2, 1009178992), (4, 504589496), (8, 252294748), (16, 126147374), (32, 63073687), (197, 10245472), (353, 5717728), (394, 5122736), (706, 2858864), (788, 2561368), (907, 2225312), (1412, 1429432), (1576, 1280684), (1814, 1112656), (2824, 714716), (3152, 640342), (3628, 556328), (5648, 357358), (6304, 320171), (7256, 278164), (11296, 178679), (14512, 139082), (29024, 69541)]