19428684

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1429}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 30541236

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 103, 132, 206, 309, 412, 618, 1133, 1236, 1429, 2266, 2858, 3399, 4287, 4532, 5716, 6798, 8574, 13596, 15719, 17148, 31438, 47157, 62876, 94314, 147187, 188628, 294374, 441561, 588748, 883122, 1619057, 1766244, 3238114, 4857171, 6476228, 9714342, 19428684]

約数ペア:

[(1, 19428684), (2, 9714342), (3, 6476228), (4, 4857171), (6, 3238114), (11, 1766244), (12, 1619057), (22, 883122), (33, 588748), (44, 441561), (66, 294374), (103, 188628), (132, 147187), (206, 94314), (309, 62876), (412, 47157), (618, 31438), (1133, 17148), (1236, 15719), (1429, 13596), (2266, 8574), (2858, 6798), (3399, 5716), (4287, 4532)]