18438376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1097}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 37946880

約数和(自身を除く): 19508504

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1097, 1528, 2101, 2194, 4202, 4388, 8404, 8776, 12067, 16808, 24134, 48268, 96536, 209527, 419054, 838108, 1676216, 2304797, 4609594, 9219188, 18438376]

約数ペア:

[(1, 18438376), (2, 9219188), (4, 4609594), (8, 2304797), (11, 1676216), (22, 838108), (44, 419054), (88, 209527), (191, 96536), (382, 48268), (764, 24134), (1097, 16808), (1528, 12067), (2101, 8776), (2194, 8404), (4202, 4388)]