18380312

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 36218880

約数和(自身を除く): 17838568

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 191, 382, 523, 764, 1046, 1528, 2092, 4184, 4393, 8786, 12029, 17572, 24058, 35144, 48116, 96232, 99893, 199786, 399572, 799144, 2297539, 4595078, 9190156, 18380312]

約数ペア:

[(1, 18380312), (2, 9190156), (4, 4595078), (8, 2297539), (23, 799144), (46, 399572), (92, 199786), (184, 99893), (191, 96232), (382, 48116), (523, 35144), (764, 24058), (1046, 17572), (1528, 12029), (2092, 8786), (4184, 4393)]