18996972

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 46502400

約数和(自身を除く): 27505428

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 79, 87, 116, 158, 174, 237, 316, 348, 474, 691, 948, 1382, 2073, 2291, 2764, 4146, 4582, 6873, 8292, 9164, 13746, 20039, 27492, 40078, 54589, 60117, 80156, 109178, 120234, 163767, 218356, 240468, 327534, 655068, 1583081, 3166162, 4749243, 6332324, 9498486, 18996972]

約数ペア:

[(1, 18996972), (2, 9498486), (3, 6332324), (4, 4749243), (6, 3166162), (12, 1583081), (29, 655068), (58, 327534), (79, 240468), (87, 218356), (116, 163767), (158, 120234), (174, 109178), (237, 80156), (316, 60117), (348, 54589), (474, 40078), (691, 27492), (948, 20039), (1382, 13746), (2073, 9164), (2291, 8292), (2764, 6873), (4146, 4582)]