19899418

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 39759552

約数和(自身を除く): 19860134

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 121, 154, 187, 238, 242, 374, 691, 847, 1309, 1382, 1694, 2057, 2618, 4114, 4837, 7601, 9674, 11747, 14399, 15202, 23494, 28798, 53207, 82229, 83611, 106414, 129217, 164458, 167222, 258434, 585277, 904519, 1170554, 1421387, 1809038, 2842774, 9949709, 19899418]

約数ペア:

[(1, 19899418), (2, 9949709), (7, 2842774), (11, 1809038), (14, 1421387), (17, 1170554), (22, 904519), (34, 585277), (77, 258434), (119, 167222), (121, 164458), (154, 129217), (187, 106414), (238, 83611), (242, 82229), (374, 53207), (691, 28798), (847, 23494), (1309, 15202), (1382, 14399), (1694, 11747), (2057, 9674), (2618, 7601), (4114, 4837)]