18238726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 13279994

約数列:

[1, 2, 11, 22, 31, 47, 62, 94, 341, 517, 569, 682, 1034, 1138, 1457, 2914, 6259, 12518, 16027, 17639, 26743, 32054, 35278, 53486, 194029, 294173, 388058, 588346, 829033, 1658066, 9119363, 18238726]

約数ペア:

[(1, 18238726), (2, 9119363), (11, 1658066), (22, 829033), (31, 588346), (47, 388058), (62, 294173), (94, 194029), (341, 53486), (517, 35278), (569, 32054), (682, 26743), (1034, 17639), (1138, 16027), (1457, 12518), (2914, 6259)]