18570178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 31882752

約数和(自身を除く): 13312574

約数列:

[1, 2, 11, 22, 31, 62, 73, 146, 341, 373, 682, 746, 803, 1606, 2263, 4103, 4526, 8206, 11563, 23126, 24893, 27229, 49786, 54458, 127193, 254386, 299519, 599038, 844099, 1688198, 9285089, 18570178]

約数ペア:

[(1, 18570178), (2, 9285089), (11, 1688198), (22, 844099), (31, 599038), (62, 299519), (73, 254386), (146, 127193), (341, 54458), (373, 49786), (682, 27229), (746, 24893), (803, 23126), (1606, 11563), (2263, 8206), (4103, 4526)]