19805462676

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2179}}^1\times {\mathrm{4139}}^1$

素因数の和:6389

約数の個数: 72

約数和(自身を含む): 50920178400

約数和(自身を除く): 31114715724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2179, 2196, 4139, 4358, 6537, 8278, 8716, 12417, 13074, 16556, 19611, 24834, 26148, 37251, 39222, 49668, 74502, 78444, 132919, 149004, 252479, 265838, 398757, 504958, 531676, 757437, 797514, 1009916, 1196271, 1514874, 1595028, 2272311, 2392542, 3029748, 4544622, 4785084, 9018881, 9089244, 18037762, 27056643, 36075524, 54113286, 81169929, 108226572, 162339858, 324679716, 550151741, 1100303482, 1650455223, 2200606964, 3300910446, 4951365669, 6601820892, 9902731338, 19805462676]

約数ペア:

[(1, 19805462676), (2, 9902731338), (3, 6601820892), (4, 4951365669), (6, 3300910446), (9, 2200606964), (12, 1650455223), (18, 1100303482), (36, 550151741), (61, 324679716), (122, 162339858), (183, 108226572), (244, 81169929), (366, 54113286), (549, 36075524), (732, 27056643), (1098, 18037762), (2179, 9089244), (2196, 9018881), (4139, 4785084), (4358, 4544622), (6537, 3029748), (8278, 2392542), (8716, 2272311), (12417, 1595028), (13074, 1514874), (16556, 1196271), (19611, 1009916), (24834, 797514), (26148, 757437), (37251, 531676), (39222, 504958), (49668, 398757), (74502, 265838), (78444, 252479), (132919, 149004)]