2018199920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{587}}^1\times {\mathrm{3907}}^1$

素因数の和:4518

約数の個数: 80

約数和(自身を含む): 5128921728

約数和(自身を除く): 3110721808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 587, 880, 1174, 2348, 2935, 3907, 4696, 5870, 6457, 7814, 9392, 11740, 12914, 15628, 19535, 23480, 25828, 31256, 32285, 39070, 42977, 46960, 51656, 62512, 64570, 78140, 85954, 103312, 129140, 156280, 171908, 214885, 258280, 312560, 343816, 429770, 516560, 687632, 859540, 1719080, 2293409, 3438160, 4586818, 9173636, 11467045, 18347272, 22934090, 25227499, 36694544, 45868180, 50454998, 91736360, 100909996, 126137495, 183472720, 201819992, 252274990, 403639984, 504549980, 1009099960, 2018199920]

約数ペア:

[(1, 2018199920), (2, 1009099960), (4, 504549980), (5, 403639984), (8, 252274990), (10, 201819992), (11, 183472720), (16, 126137495), (20, 100909996), (22, 91736360), (40, 50454998), (44, 45868180), (55, 36694544), (80, 25227499), (88, 22934090), (110, 18347272), (176, 11467045), (220, 9173636), (440, 4586818), (587, 3438160), (880, 2293409), (1174, 1719080), (2348, 859540), (2935, 687632), (3907, 516560), (4696, 429770), (5870, 343816), (6457, 312560), (7814, 258280), (9392, 214885), (11740, 171908), (12914, 156280), (15628, 129140), (19535, 103312), (23480, 85954), (25828, 78140), (31256, 64570), (32285, 62512), (39070, 51656), (42977, 46960)]