18750908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 18988612

約数列:

[1, 2, 4, 11, 22, 31, 44, 59, 62, 118, 124, 233, 236, 341, 466, 649, 682, 932, 1298, 1364, 1829, 2563, 2596, 3658, 5126, 7223, 7316, 10252, 13747, 14446, 20119, 27494, 28892, 40238, 54988, 79453, 80476, 151217, 158906, 302434, 317812, 426157, 604868, 852314, 1704628, 4687727, 9375454, 18750908]

約数ペア:

[(1, 18750908), (2, 9375454), (4, 4687727), (11, 1704628), (22, 852314), (31, 604868), (44, 426157), (59, 317812), (62, 302434), (118, 158906), (124, 151217), (233, 80476), (236, 79453), (341, 54988), (466, 40238), (649, 28892), (682, 27494), (932, 20119), (1298, 14446), (1364, 13747), (1829, 10252), (2563, 7316), (2596, 7223), (3658, 5126)]