18736394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 30801600

約数和(自身を除く): 12065206

約数列:

[1, 2, 19, 38, 59, 61, 118, 122, 137, 274, 1121, 1159, 2242, 2318, 2603, 3599, 5206, 7198, 8083, 8357, 16166, 16714, 68381, 136762, 153577, 158783, 307154, 317566, 493063, 986126, 9368197, 18736394]

約数ペア:

[(1, 18736394), (2, 9368197), (19, 986126), (38, 493063), (59, 317566), (61, 307154), (118, 158783), (122, 153577), (137, 136762), (274, 68381), (1121, 16714), (1159, 16166), (2242, 8357), (2318, 8083), (2603, 7198), (3599, 5206)]