18339916

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{683}}^1$

素因数の和:838

約数の個数: 36

約数和(自身を含む): 37662408

約数和(自身を除く): 19322492

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 683, 959, 1366, 1918, 2732, 3836, 4781, 6713, 9562, 13426, 19124, 26852, 33467, 66934, 93571, 133868, 187142, 374284, 654997, 1309994, 2619988, 4584979, 9169958, 18339916]

約数ペア:

[(1, 18339916), (2, 9169958), (4, 4584979), (7, 2619988), (14, 1309994), (28, 654997), (49, 374284), (98, 187142), (137, 133868), (196, 93571), (274, 66934), (548, 33467), (683, 26852), (959, 19124), (1366, 13426), (1918, 9562), (2732, 6713), (3836, 4781)]