18162872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 42705600

約数和(自身を除く): 24542728

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 409, 427, 488, 728, 793, 818, 854, 1586, 1636, 1708, 2863, 3172, 3272, 3416, 5317, 5551, 5726, 6344, 10634, 11102, 11452, 21268, 22204, 22904, 24949, 37219, 42536, 44408, 49898, 74438, 99796, 148876, 174643, 199592, 297752, 324337, 349286, 648674, 698572, 1297348, 1397144, 2270359, 2594696, 4540718, 9081436, 18162872]

約数ペア:

[(1, 18162872), (2, 9081436), (4, 4540718), (7, 2594696), (8, 2270359), (13, 1397144), (14, 1297348), (26, 698572), (28, 648674), (52, 349286), (56, 324337), (61, 297752), (91, 199592), (104, 174643), (122, 148876), (182, 99796), (244, 74438), (364, 49898), (409, 44408), (427, 42536), (488, 37219), (728, 24949), (793, 22904), (818, 22204), (854, 21268), (1586, 11452), (1636, 11102), (1708, 10634), (2863, 6344), (3172, 5726), (3272, 5551), (3416, 5317)]