18419872

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 20771168

約数列:

[1, 2, 4, 8, 16, 23, 29, 32, 46, 58, 92, 116, 184, 232, 368, 464, 667, 736, 863, 928, 1334, 1726, 2668, 3452, 5336, 6904, 10672, 13808, 19849, 21344, 25027, 27616, 39698, 50054, 79396, 100108, 158792, 200216, 317584, 400432, 575621, 635168, 800864, 1151242, 2302484, 4604968, 9209936, 18419872]

約数ペア:

[(1, 18419872), (2, 9209936), (4, 4604968), (8, 2302484), (16, 1151242), (23, 800864), (29, 635168), (32, 575621), (46, 400432), (58, 317584), (92, 200216), (116, 158792), (184, 100108), (232, 79396), (368, 50054), (464, 39698), (667, 27616), (736, 25027), (863, 21344), (928, 19849), (1334, 13808), (1726, 10672), (2668, 6904), (3452, 5336)]