19391504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21855856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 239, 461, 478, 922, 956, 1844, 1912, 2629, 3688, 3824, 5071, 5258, 7376, 10142, 10516, 20284, 21032, 40568, 42064, 81136, 110179, 220358, 440716, 881432, 1211969, 1762864, 2423938, 4847876, 9695752, 19391504]

約数ペア:

[(1, 19391504), (2, 9695752), (4, 4847876), (8, 2423938), (11, 1762864), (16, 1211969), (22, 881432), (44, 440716), (88, 220358), (176, 110179), (239, 81136), (461, 42064), (478, 40568), (922, 21032), (956, 20284), (1844, 10516), (1912, 10142), (2629, 7376), (3688, 5258), (3824, 5071)]