18734584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4951}}^1$

素因数の和:5011

約数の個数: 32

約数和(自身を含む): 39219840

約数和(自身を除く): 20485256

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 4951, 9902, 19804, 39608, 54461, 108922, 212893, 217844, 425786, 435688, 851572, 1703144, 2341823, 4683646, 9367292, 18734584]

約数ペア:

[(1, 18734584), (2, 9367292), (4, 4683646), (8, 2341823), (11, 1703144), (22, 851572), (43, 435688), (44, 425786), (86, 217844), (88, 212893), (172, 108922), (344, 54461), (473, 39608), (946, 19804), (1892, 9902), (3784, 4951)]