18704460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 52619616

約数和(自身を除く): 33915156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1213, 1285, 1542, 2426, 2570, 3084, 3639, 3855, 4852, 5140, 6065, 7278, 7710, 12130, 14556, 15420, 18195, 24260, 36390, 72780, 311741, 623482, 935223, 1246964, 1558705, 1870446, 3117410, 3740892, 4676115, 6234820, 9352230, 18704460]

約数ペア:

[(1, 18704460), (2, 9352230), (3, 6234820), (4, 4676115), (5, 3740892), (6, 3117410), (10, 1870446), (12, 1558705), (15, 1246964), (20, 935223), (30, 623482), (60, 311741), (257, 72780), (514, 36390), (771, 24260), (1028, 18195), (1213, 15420), (1285, 14556), (1542, 12130), (2426, 7710), (2570, 7278), (3084, 6065), (3639, 5140), (3855, 4852)]