18006828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4561}}^1$

素因数の和:4622

約数の個数: 48

約数和(自身を含む): 49050624

約数和(自身を除く): 31043796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 4561, 9122, 13683, 18244, 27366, 31927, 54732, 63854, 95781, 127708, 191562, 214367, 383124, 428734, 643101, 857468, 1286202, 1500569, 2572404, 3001138, 4501707, 6002276, 9003414, 18006828]

約数ペア:

[(1, 18006828), (2, 9003414), (3, 6002276), (4, 4501707), (6, 3001138), (7, 2572404), (12, 1500569), (14, 1286202), (21, 857468), (28, 643101), (42, 428734), (47, 383124), (84, 214367), (94, 191562), (141, 127708), (188, 95781), (282, 63854), (329, 54732), (564, 31927), (658, 27366), (987, 18244), (1316, 13683), (1974, 9122), (3948, 4561)]