19285565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 27288576

約数和(自身を除く): 8003011

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 563, 1105, 2015, 2635, 2815, 6851, 7319, 9571, 17453, 34255, 36595, 47855, 87265, 124423, 226889, 296701, 622115, 1134445, 1483505, 3857113, 19285565]

約数ペア:

[(1, 19285565), (5, 3857113), (13, 1483505), (17, 1134445), (31, 622115), (65, 296701), (85, 226889), (155, 124423), (221, 87265), (403, 47855), (527, 36595), (563, 34255), (1105, 17453), (2015, 9571), (2635, 7319), (2815, 6851)]