19896910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{653}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 39271392

約数和(自身を除く): 19374482

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 277, 554, 653, 1306, 1385, 2770, 3047, 3265, 6094, 6530, 7183, 14366, 15235, 30470, 35915, 71830, 180881, 361762, 904405, 1808810, 1989691, 3979382, 9948455, 19896910]

約数ペア:

[(1, 19896910), (2, 9948455), (5, 3979382), (10, 1989691), (11, 1808810), (22, 904405), (55, 361762), (110, 180881), (277, 71830), (554, 35915), (653, 30470), (1306, 15235), (1385, 14366), (2770, 7183), (3047, 6530), (3265, 6094)]