18289301995

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1\times {\mathrm{997}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 22598424576

約数和(自身を除く): 4309122581

約数列:

[1, 5, 47, 235, 251, 311, 997, 1255, 1555, 4985, 11797, 14617, 46859, 58985, 73085, 78061, 234295, 250247, 310067, 390305, 1251235, 1550335, 3668867, 11761609, 14573149, 18344335, 58808045, 72865745, 77826817, 389134085, 3657860399, 18289301995]

約数ペア:

[(1, 18289301995), (5, 3657860399), (47, 389134085), (235, 77826817), (251, 72865745), (311, 58808045), (997, 18344335), (1255, 14573149), (1555, 11761609), (4985, 3668867), (11797, 1550335), (14617, 1251235), (46859, 390305), (58985, 310067), (73085, 250247), (78061, 234295)]