19388028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{769}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 30286212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 191, 382, 573, 764, 769, 1146, 1538, 2101, 2292, 2307, 3076, 4202, 4614, 6303, 8404, 8459, 9228, 12606, 16918, 25212, 25377, 33836, 50754, 101508, 146879, 293758, 440637, 587516, 881274, 1615669, 1762548, 3231338, 4847007, 6462676, 9694014, 19388028]

約数ペア:

[(1, 19388028), (2, 9694014), (3, 6462676), (4, 4847007), (6, 3231338), (11, 1762548), (12, 1615669), (22, 881274), (33, 587516), (44, 440637), (66, 293758), (132, 146879), (191, 101508), (382, 50754), (573, 33836), (764, 25377), (769, 25212), (1146, 16918), (1538, 12606), (2101, 9228), (2292, 8459), (2307, 8404), (3076, 6303), (4202, 4614)]