18261736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 36252000

約数和(自身を除く): 17990264

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 317, 379, 634, 758, 1268, 1516, 2536, 3032, 6023, 7201, 12046, 14402, 24092, 28804, 48184, 57608, 120143, 240286, 480572, 961144, 2282717, 4565434, 9130868, 18261736]

約数ペア:

[(1, 18261736), (2, 9130868), (4, 4565434), (8, 2282717), (19, 961144), (38, 480572), (76, 240286), (152, 120143), (317, 57608), (379, 48184), (634, 28804), (758, 24092), (1268, 14402), (1516, 12046), (2536, 7201), (3032, 6023)]