18679546

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 30942720

約数和(自身を除く): 12263174

約数列:

[1, 2, 19, 31, 38, 62, 101, 157, 202, 314, 589, 1178, 1919, 2983, 3131, 3838, 4867, 5966, 6262, 9734, 15857, 31714, 59489, 92473, 118978, 184946, 301283, 491567, 602566, 983134, 9339773, 18679546]

約数ペア:

[(1, 18679546), (2, 9339773), (19, 983134), (31, 602566), (38, 491567), (62, 301283), (101, 184946), (157, 118978), (202, 92473), (314, 59489), (589, 31714), (1178, 15857), (1919, 9734), (2983, 6262), (3131, 5966), (3838, 4867)]