18721384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11197}}^1$

素因数の和:11233

約数の個数: 32

約数和(自身を含む): 40312800

約数和(自身を除く): 21591416

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11197, 22394, 44788, 89576, 123167, 212743, 246334, 425486, 492668, 850972, 985336, 1701944, 2340173, 4680346, 9360692, 18721384]

約数ペア:

[(1, 18721384), (2, 9360692), (4, 4680346), (8, 2340173), (11, 1701944), (19, 985336), (22, 850972), (38, 492668), (44, 425486), (76, 246334), (88, 212743), (152, 123167), (209, 89576), (418, 44788), (836, 22394), (1672, 11197)]