18486978

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{587}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 20038782

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 181, 362, 543, 587, 1086, 1174, 1761, 3522, 5249, 10498, 15747, 17023, 31494, 34046, 51069, 102138, 106247, 212494, 318741, 637482, 3081163, 6162326, 9243489, 18486978]

約数ペア:

[(1, 18486978), (2, 9243489), (3, 6162326), (6, 3081163), (29, 637482), (58, 318741), (87, 212494), (174, 106247), (181, 102138), (362, 51069), (543, 34046), (587, 31494), (1086, 17023), (1174, 15747), (1761, 10498), (3522, 5249)]