18012904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 42134400

約数和(自身を除く): 24121496

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 109, 182, 218, 227, 364, 436, 454, 728, 763, 872, 908, 1417, 1526, 1589, 1816, 2834, 2951, 3052, 3178, 5668, 5902, 6104, 6356, 9919, 11336, 11804, 12712, 19838, 20657, 23608, 24743, 39676, 41314, 49486, 79352, 82628, 98972, 165256, 173201, 197944, 321659, 346402, 643318, 692804, 1286636, 1385608, 2251613, 2573272, 4503226, 9006452, 18012904]

約数ペア:

[(1, 18012904), (2, 9006452), (4, 4503226), (7, 2573272), (8, 2251613), (13, 1385608), (14, 1286636), (26, 692804), (28, 643318), (52, 346402), (56, 321659), (91, 197944), (104, 173201), (109, 165256), (182, 98972), (218, 82628), (227, 79352), (364, 49486), (436, 41314), (454, 39676), (728, 24743), (763, 23608), (872, 20657), (908, 19838), (1417, 12712), (1526, 11804), (1589, 11336), (1816, 9919), (2834, 6356), (2951, 6104), (3052, 5902), (3178, 5668)]