15673912820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{463451}}^1$

素因数の和:463568

約数の個数: 48

約数和(自身を含む): 35036971200

約数和(自身を除く): 19363058380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 463451, 926902, 1853804, 2317255, 4634510, 8805569, 9269020, 17611138, 35222276, 41247139, 44027845, 82494278, 88055690, 164988556, 176111380, 206235695, 412471390, 783695641, 824942780, 1567391282, 3134782564, 3918478205, 7836956410, 15673912820]

約数ペア:

[(1, 15673912820), (2, 7836956410), (4, 3918478205), (5, 3134782564), (10, 1567391282), (19, 824942780), (20, 783695641), (38, 412471390), (76, 206235695), (89, 176111380), (95, 164988556), (178, 88055690), (190, 82494278), (356, 44027845), (380, 41247139), (445, 35222276), (890, 17611138), (1691, 9269020), (1780, 8805569), (3382, 4634510), (6764, 2317255), (8455, 1853804), (16910, 926902), (33820, 463451)]