19060580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12377}}^1$

素因数の和:12404

約数の個数: 48

約数和(自身を含む): 49908096

約数和(自身を除く): 30847516

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 12377, 24754, 49508, 61885, 86639, 123770, 136147, 173278, 247540, 272294, 346556, 433195, 544588, 680735, 866390, 953029, 1361470, 1732780, 1906058, 2722940, 3812116, 4765145, 9530290, 19060580]

約数ペア:

[(1, 19060580), (2, 9530290), (4, 4765145), (5, 3812116), (7, 2722940), (10, 1906058), (11, 1732780), (14, 1361470), (20, 953029), (22, 866390), (28, 680735), (35, 544588), (44, 433195), (55, 346556), (70, 272294), (77, 247540), (110, 173278), (140, 136147), (154, 123770), (220, 86639), (308, 61885), (385, 49508), (770, 24754), (1540, 12377)]