19406270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11483}}^1$

素因数の和:11516

約数の個数: 24

約数和(自身を含む): 37828296

約数和(自身を除く): 18422026

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11483, 22966, 57415, 114830, 149279, 298558, 746395, 1492790, 1940627, 3881254, 9703135, 19406270]

約数ペア:

[(1, 19406270), (2, 9703135), (5, 3881254), (10, 1940627), (13, 1492790), (26, 746395), (65, 298558), (130, 149279), (169, 114830), (338, 57415), (845, 22966), (1690, 11483)]