19006820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1069}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 46018560

約数和(自身を除く): 27011740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1069, 1270, 1778, 2138, 2540, 3556, 4276, 4445, 5345, 7483, 8890, 10690, 14966, 17780, 21380, 29932, 37415, 74830, 135763, 149660, 271526, 543052, 678815, 950341, 1357630, 1900682, 2715260, 3801364, 4751705, 9503410, 19006820]

約数ペア:

[(1, 19006820), (2, 9503410), (4, 4751705), (5, 3801364), (7, 2715260), (10, 1900682), (14, 1357630), (20, 950341), (28, 678815), (35, 543052), (70, 271526), (127, 149660), (140, 135763), (254, 74830), (508, 37415), (635, 29932), (889, 21380), (1069, 17780), (1270, 14966), (1778, 10690), (2138, 8890), (2540, 7483), (3556, 5345), (4276, 4445)]