18131512

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 22692488

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 53, 56, 82, 106, 149, 164, 212, 287, 298, 328, 371, 424, 574, 596, 742, 1043, 1148, 1192, 1484, 2086, 2173, 2296, 2968, 4172, 4346, 6109, 7897, 8344, 8692, 12218, 15211, 15794, 17384, 24436, 30422, 31588, 42763, 48872, 55279, 60844, 63176, 85526, 110558, 121688, 171052, 221116, 323777, 342104, 442232, 647554, 1295108, 2266439, 2590216, 4532878, 9065756, 18131512]

約数ペア:

[(1, 18131512), (2, 9065756), (4, 4532878), (7, 2590216), (8, 2266439), (14, 1295108), (28, 647554), (41, 442232), (53, 342104), (56, 323777), (82, 221116), (106, 171052), (149, 121688), (164, 110558), (212, 85526), (287, 63176), (298, 60844), (328, 55279), (371, 48872), (424, 42763), (574, 31588), (596, 30422), (742, 24436), (1043, 17384), (1148, 15794), (1192, 15211), (1484, 12218), (2086, 8692), (2173, 8344), (2296, 7897), (2968, 6109), (4172, 4346)]