18640208

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{14747}}^1$

素因数の和:14834

約数の個数: 20

約数和(自身を含む): 36575040

約数和(自身を除く): 17934832

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 14747, 29494, 58988, 117976, 235952, 1165013, 2330026, 4660052, 9320104, 18640208]

約数ペア:

[(1, 18640208), (2, 9320104), (4, 4660052), (8, 2330026), (16, 1165013), (79, 235952), (158, 117976), (316, 58988), (632, 29494), (1264, 14747)]