19540690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1811}}^1$

素因数の和:1914

約数の個数: 32

約数和(自身を含む): 38356416

約数和(自身を除く): 18815726

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 1811, 2158, 3622, 5395, 9055, 10790, 18110, 23543, 47086, 117715, 150313, 235430, 300626, 751565, 1503130, 1954069, 3908138, 9770345, 19540690]

約数ペア:

[(1, 19540690), (2, 9770345), (5, 3908138), (10, 1954069), (13, 1503130), (26, 751565), (65, 300626), (83, 235430), (130, 150313), (166, 117715), (415, 47086), (830, 23543), (1079, 18110), (1811, 10790), (2158, 9055), (3622, 5395)]