19313320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2857}}^1$

素因数の和:2894

約数の個数: 48

約数和(自身を含む): 47071260

約数和(自身を除く): 27757940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2857, 3380, 5714, 6760, 11428, 14285, 22856, 28570, 37141, 57140, 74282, 114280, 148564, 185705, 297128, 371410, 482833, 742820, 965666, 1485640, 1931332, 2414165, 3862664, 4828330, 9656660, 19313320]

約数ペア:

[(1, 19313320), (2, 9656660), (4, 4828330), (5, 3862664), (8, 2414165), (10, 1931332), (13, 1485640), (20, 965666), (26, 742820), (40, 482833), (52, 371410), (65, 297128), (104, 185705), (130, 148564), (169, 114280), (260, 74282), (338, 57140), (520, 37141), (676, 28570), (845, 22856), (1352, 14285), (1690, 11428), (2857, 6760), (3380, 5714)]