39818015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 52920000

約数和(自身を除く): 13101985

約数列:

[1, 5, 19, 29, 95, 97, 145, 149, 485, 551, 745, 1843, 2755, 2813, 2831, 4321, 9215, 14065, 14155, 14453, 21605, 53447, 72265, 82099, 267235, 274607, 410495, 419137, 1373035, 2095685, 7963603, 39818015]

約数ペア:

[(1, 39818015), (5, 7963603), (19, 2095685), (29, 1373035), (95, 419137), (97, 410495), (145, 274607), (149, 267235), (485, 82099), (551, 72265), (745, 53447), (1843, 21605), (2755, 14453), (2813, 14155), (2831, 14065), (4321, 9215)]