18447376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 37294488

約数和(自身を除く): 18847112

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 461, 488, 656, 922, 976, 1844, 2501, 3688, 5002, 7376, 10004, 18901, 20008, 28121, 37802, 40016, 56242, 75604, 112484, 151208, 224968, 302416, 449936, 1152961, 2305922, 4611844, 9223688, 18447376]

約数ペア:

[(1, 18447376), (2, 9223688), (4, 4611844), (8, 2305922), (16, 1152961), (41, 449936), (61, 302416), (82, 224968), (122, 151208), (164, 112484), (244, 75604), (328, 56242), (461, 40016), (488, 37802), (656, 28121), (922, 20008), (976, 18901), (1844, 10004), (2501, 7376), (3688, 5002)]