19113980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30829}}^1$

素因数の和:30869

約数の個数: 24

約数和(自身を含む): 41435520

約数和(自身を除く): 22321540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30829, 61658, 123316, 154145, 308290, 616580, 955699, 1911398, 3822796, 4778495, 9556990, 19113980]

約数ペア:

[(1, 19113980), (2, 9556990), (4, 4778495), (5, 3822796), (10, 1911398), (20, 955699), (31, 616580), (62, 308290), (124, 154145), (155, 123316), (310, 61658), (620, 30829)]