18049784

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 37097880

約数和(自身を除く): 19048096

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 211, 289, 296, 422, 578, 629, 844, 1156, 1258, 1688, 2312, 2516, 3587, 5032, 7174, 7807, 10693, 14348, 15614, 21386, 28696, 31228, 42772, 60979, 62456, 85544, 121958, 132719, 243916, 265438, 487832, 530876, 1061752, 2256223, 4512446, 9024892, 18049784]

約数ペア:

[(1, 18049784), (2, 9024892), (4, 4512446), (8, 2256223), (17, 1061752), (34, 530876), (37, 487832), (68, 265438), (74, 243916), (136, 132719), (148, 121958), (211, 85544), (289, 62456), (296, 60979), (422, 42772), (578, 31228), (629, 28696), (844, 21386), (1156, 15614), (1258, 14348), (1688, 10693), (2312, 7807), (2516, 7174), (3587, 5032)]