18737344

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{811}}^1$

素因数の和:861

約数の個数: 42

約数和(自身を含む): 39290244

約数和(自身を除く): 20552900

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 811, 1216, 1444, 1622, 2888, 3244, 5776, 6488, 11552, 12976, 15409, 23104, 25952, 30818, 51904, 61636, 123272, 246544, 292771, 493088, 585542, 986176, 1171084, 2342168, 4684336, 9368672, 18737344]

約数ペア:

[(1, 18737344), (2, 9368672), (4, 4684336), (8, 2342168), (16, 1171084), (19, 986176), (32, 585542), (38, 493088), (64, 292771), (76, 246544), (152, 123272), (304, 61636), (361, 51904), (608, 30818), (722, 25952), (811, 23104), (1216, 15409), (1444, 12976), (1622, 11552), (2888, 6488), (3244, 5776)]