18360940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70619}}^1$

素因数の和:70641

約数の個数: 24

約数和(自身を含む): 41524560

約数和(自身を除く): 23163620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70619, 141238, 282476, 353095, 706190, 918047, 1412380, 1836094, 3672188, 4590235, 9180470, 18360940]

約数ペア:

[(1, 18360940), (2, 9180470), (4, 4590235), (5, 3672188), (10, 1836094), (13, 1412380), (20, 918047), (26, 706190), (52, 353095), (65, 282476), (130, 141238), (260, 70619)]