18996939760

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1593703}}^1$

素因数の和:1593865

約数の個数: 40

約数和(自身を含む): 44464341600

約数和(自身を除く): 25467401840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 1593703, 3187406, 6374812, 7968515, 12749624, 15937030, 25499248, 31874060, 63748120, 127496240, 237461747, 474923494, 949846988, 1187308735, 1899693976, 2374617470, 3799387952, 4749234940, 9498469880, 18996939760]

約数ペア:

[(1, 18996939760), (2, 9498469880), (4, 4749234940), (5, 3799387952), (8, 2374617470), (10, 1899693976), (16, 1187308735), (20, 949846988), (40, 474923494), (80, 237461747), (149, 127496240), (298, 63748120), (596, 31874060), (745, 25499248), (1192, 15937030), (1490, 12749624), (2384, 7968515), (2980, 6374812), (5960, 3187406), (11920, 1593703)]