19115320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 49533120

約数和(自身を除く): 30417800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 293, 466, 586, 932, 1165, 1172, 1465, 1631, 1864, 2051, 2330, 2344, 2930, 3262, 4102, 4660, 5860, 6524, 8155, 8204, 9320, 10255, 11720, 13048, 16310, 16408, 20510, 32620, 41020, 65240, 68269, 82040, 136538, 273076, 341345, 477883, 546152, 682690, 955766, 1365380, 1911532, 2389415, 2730760, 3823064, 4778830, 9557660, 19115320]

約数ペア:

[(1, 19115320), (2, 9557660), (4, 4778830), (5, 3823064), (7, 2730760), (8, 2389415), (10, 1911532), (14, 1365380), (20, 955766), (28, 682690), (35, 546152), (40, 477883), (56, 341345), (70, 273076), (140, 136538), (233, 82040), (280, 68269), (293, 65240), (466, 41020), (586, 32620), (932, 20510), (1165, 16408), (1172, 16310), (1465, 13048), (1631, 11720), (1864, 10255), (2051, 9320), (2330, 8204), (2344, 8155), (2930, 6524), (3262, 5860), (4102, 4660)]