18290728

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 35834760

約数和(自身を除く): 17544032

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 1013, 2026, 2257, 4052, 4514, 8104, 9028, 18056, 37481, 61793, 74962, 123586, 149924, 247172, 299848, 494344, 2286341, 4572682, 9145364, 18290728]

約数ペア:

[(1, 18290728), (2, 9145364), (4, 4572682), (8, 2286341), (37, 494344), (61, 299848), (74, 247172), (122, 149924), (148, 123586), (244, 74962), (296, 61793), (488, 37481), (1013, 18056), (2026, 9028), (2257, 8104), (4052, 4514)]