18669008

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 38205888

約数和(自身を除く): 19536880

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 97, 184, 194, 368, 388, 523, 776, 1046, 1552, 2092, 2231, 4184, 4462, 8368, 8924, 12029, 17848, 24058, 35696, 48116, 50731, 96232, 101462, 192464, 202924, 405848, 811696, 1166813, 2333626, 4667252, 9334504, 18669008]

約数ペア:

[(1, 18669008), (2, 9334504), (4, 4667252), (8, 2333626), (16, 1166813), (23, 811696), (46, 405848), (92, 202924), (97, 192464), (184, 101462), (194, 96232), (368, 50731), (388, 48116), (523, 35696), (776, 24058), (1046, 17848), (1552, 12029), (2092, 8924), (2231, 8368), (4184, 4462)]