19723330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9437}}^1$

素因数の和:9474

約数の個数: 32

約数和(自身を含む): 40772160

約数和(自身を除く): 21048830

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9437, 18874, 47185, 94370, 103807, 179303, 207614, 358606, 519035, 896515, 1038070, 1793030, 1972333, 3944666, 9861665, 19723330]

約数ペア:

[(1, 19723330), (2, 9861665), (5, 3944666), (10, 1972333), (11, 1793030), (19, 1038070), (22, 896515), (38, 519035), (55, 358606), (95, 207614), (110, 179303), (190, 103807), (209, 94370), (418, 47185), (1045, 18874), (2090, 9437)]