18428556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 45682560

約数和(自身を除く): 27254004

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 131, 228, 262, 393, 524, 617, 786, 1234, 1572, 1851, 2468, 2489, 3702, 4978, 7404, 7467, 9956, 11723, 14934, 23446, 29868, 35169, 46892, 70338, 80827, 140676, 161654, 242481, 323308, 484962, 969924, 1535713, 3071426, 4607139, 6142852, 9214278, 18428556]

約数ペア:

[(1, 18428556), (2, 9214278), (3, 6142852), (4, 4607139), (6, 3071426), (12, 1535713), (19, 969924), (38, 484962), (57, 323308), (76, 242481), (114, 161654), (131, 140676), (228, 80827), (262, 70338), (393, 46892), (524, 35169), (617, 29868), (786, 23446), (1234, 14934), (1572, 11723), (1851, 9956), (2468, 7467), (2489, 7404), (3702, 4978)]