19508656

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4219}}^1$

素因数の和:4261

約数の個数: 30

約数和(自身を含む): 40161740

約数和(自身を除く): 20653084

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4219, 4624, 8438, 16876, 33752, 67504, 71723, 143446, 286892, 573784, 1147568, 1219291, 2438582, 4877164, 9754328, 19508656]

約数ペア:

[(1, 19508656), (2, 9754328), (4, 4877164), (8, 2438582), (16, 1219291), (17, 1147568), (34, 573784), (68, 286892), (136, 143446), (272, 71723), (289, 67504), (578, 33752), (1156, 16876), (2312, 8438), (4219, 4624)]