18139604

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4871}}^1$

素因数の和:4908

約数の個数: 36

約数和(自身を含む): 38878560

約数和(自身を除く): 20738956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 4871, 9742, 19484, 34097, 68194, 92549, 136388, 185098, 238679, 370196, 477358, 647843, 954716, 1295686, 2591372, 4534901, 9069802, 18139604]

約数ペア:

[(1, 18139604), (2, 9069802), (4, 4534901), (7, 2591372), (14, 1295686), (19, 954716), (28, 647843), (38, 477358), (49, 370196), (76, 238679), (98, 185098), (133, 136388), (196, 92549), (266, 68194), (532, 34097), (931, 19484), (1862, 9742), (3724, 4871)]