18964830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1427}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 45650304

約数和(自身を除く): 26685474

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 443, 886, 1329, 1427, 2215, 2658, 2854, 4281, 4430, 6645, 7135, 8562, 13290, 14270, 21405, 42810, 632161, 1264322, 1896483, 3160805, 3792966, 6321610, 9482415, 18964830]

約数ペア:

[(1, 18964830), (2, 9482415), (3, 6321610), (5, 3792966), (6, 3160805), (10, 1896483), (15, 1264322), (30, 632161), (443, 42810), (886, 21405), (1329, 14270), (1427, 13290), (2215, 8562), (2658, 7135), (2854, 6645), (4281, 4430)]