19134855

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 34572096

約数和(自身を除く): 15437241

約数列:

[1, 3, 5, 9, 15, 45, 53, 71, 113, 159, 213, 265, 339, 355, 477, 565, 639, 795, 1017, 1065, 1695, 2385, 3195, 3763, 5085, 5989, 8023, 11289, 17967, 18815, 24069, 29945, 33867, 40115, 53901, 56445, 72207, 89835, 120345, 169335, 269505, 361035, 425219, 1275657, 2126095, 3826971, 6378285, 19134855]

約数ペア:

[(1, 19134855), (3, 6378285), (5, 3826971), (9, 2126095), (15, 1275657), (45, 425219), (53, 361035), (71, 269505), (113, 169335), (159, 120345), (213, 89835), (265, 72207), (339, 56445), (355, 53901), (477, 40115), (565, 33867), (639, 29945), (795, 24069), (1017, 18815), (1065, 17967), (1695, 11289), (2385, 8023), (3195, 5989), (3763, 5085)]