19667580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2011}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 55434624

約数和(自身を除く): 35767044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2011, 2445, 3260, 4022, 4890, 6033, 8044, 9780, 10055, 12066, 20110, 24132, 30165, 40220, 60330, 120660, 327793, 655586, 983379, 1311172, 1638965, 1966758, 3277930, 3933516, 4916895, 6555860, 9833790, 19667580]

約数ペア:

[(1, 19667580), (2, 9833790), (3, 6555860), (4, 4916895), (5, 3933516), (6, 3277930), (10, 1966758), (12, 1638965), (15, 1311172), (20, 983379), (30, 655586), (60, 327793), (163, 120660), (326, 60330), (489, 40220), (652, 30165), (815, 24132), (978, 20110), (1630, 12066), (1956, 10055), (2011, 9780), (2445, 8044), (3260, 6033), (4022, 4890)]