18072628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 38191104

約数和(自身を除く): 20118476

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 62, 94, 124, 188, 217, 329, 434, 443, 658, 868, 886, 1316, 1457, 1772, 2914, 3101, 5828, 6202, 10199, 12404, 13733, 20398, 20821, 27466, 40796, 41642, 54932, 83284, 96131, 145747, 192262, 291494, 384524, 582988, 645451, 1290902, 2581804, 4518157, 9036314, 18072628]

約数ペア:

[(1, 18072628), (2, 9036314), (4, 4518157), (7, 2581804), (14, 1290902), (28, 645451), (31, 582988), (47, 384524), (62, 291494), (94, 192262), (124, 145747), (188, 96131), (217, 83284), (329, 54932), (434, 41642), (443, 40796), (658, 27466), (868, 20821), (886, 20398), (1316, 13733), (1457, 12404), (1772, 10199), (2914, 6202), (3101, 5828)]