18619290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{467}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 48623328

約数和(自身を除く): 30004038

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 443, 467, 886, 934, 1329, 1401, 2215, 2335, 2658, 2802, 3987, 4203, 4430, 4670, 6645, 7005, 7974, 8406, 13290, 14010, 19935, 21015, 39870, 42030, 206881, 413762, 620643, 1034405, 1241286, 1861929, 2068810, 3103215, 3723858, 6206430, 9309645, 18619290]

約数ペア:

[(1, 18619290), (2, 9309645), (3, 6206430), (5, 3723858), (6, 3103215), (9, 2068810), (10, 1861929), (15, 1241286), (18, 1034405), (30, 620643), (45, 413762), (90, 206881), (443, 42030), (467, 39870), (886, 21015), (934, 19935), (1329, 14010), (1401, 13290), (2215, 8406), (2335, 7974), (2658, 7005), (2802, 6645), (3987, 4670), (4203, 4430)]