18085756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 37044000

約数和(自身を除く): 18958244

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 221, 442, 499, 533, 697, 884, 998, 1066, 1394, 1996, 2132, 2788, 6487, 8483, 9061, 12974, 16966, 18122, 20459, 25948, 33932, 36244, 40918, 81836, 110279, 220558, 265967, 347803, 441116, 531934, 695606, 1063868, 1391212, 4521439, 9042878, 18085756]

約数ペア:

[(1, 18085756), (2, 9042878), (4, 4521439), (13, 1391212), (17, 1063868), (26, 695606), (34, 531934), (41, 441116), (52, 347803), (68, 265967), (82, 220558), (164, 110279), (221, 81836), (442, 40918), (499, 36244), (533, 33932), (697, 25948), (884, 20459), (998, 18122), (1066, 16966), (1394, 12974), (1996, 9061), (2132, 8483), (2788, 6487)]