18201392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5443}}^1$

素因数の和:5481

約数の個数: 40

約数和(自身を含む): 40503360

約数和(自身を除く): 22301968

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5443, 10886, 21772, 43544, 59873, 87088, 103417, 119746, 206834, 239492, 413668, 478984, 827336, 957968, 1137587, 1654672, 2275174, 4550348, 9100696, 18201392]

約数ペア:

[(1, 18201392), (2, 9100696), (4, 4550348), (8, 2275174), (11, 1654672), (16, 1137587), (19, 957968), (22, 827336), (38, 478984), (44, 413668), (76, 239492), (88, 206834), (152, 119746), (176, 103417), (209, 87088), (304, 59873), (418, 43544), (836, 21772), (1672, 10886), (3344, 5443)]