18625048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 21291752

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 53, 62, 104, 106, 109, 124, 212, 218, 248, 403, 424, 436, 689, 806, 872, 1378, 1417, 1612, 1643, 2756, 2834, 3224, 3286, 3379, 5512, 5668, 5777, 6572, 6758, 11336, 11554, 13144, 13516, 21359, 23108, 27032, 42718, 43927, 46216, 75101, 85436, 87854, 150202, 170872, 175708, 179087, 300404, 351416, 358174, 600808, 716348, 1432696, 2328131, 4656262, 9312524, 18625048]

約数ペア:

[(1, 18625048), (2, 9312524), (4, 4656262), (8, 2328131), (13, 1432696), (26, 716348), (31, 600808), (52, 358174), (53, 351416), (62, 300404), (104, 179087), (106, 175708), (109, 170872), (124, 150202), (212, 87854), (218, 85436), (248, 75101), (403, 46216), (424, 43927), (436, 42718), (689, 27032), (806, 23108), (872, 21359), (1378, 13516), (1417, 13144), (1612, 11554), (1643, 11336), (2756, 6758), (2834, 6572), (3224, 5777), (3286, 5668), (3379, 5512)]