19702212

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 47453952

約数和(自身を除く): 27751740

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 181, 188, 193, 282, 362, 386, 543, 564, 579, 724, 772, 1086, 1158, 2172, 2316, 8507, 9071, 17014, 18142, 25521, 27213, 34028, 34933, 36284, 51042, 54426, 69866, 102084, 104799, 108852, 139732, 209598, 419196, 1641851, 3283702, 4925553, 6567404, 9851106, 19702212]

約数ペア:

[(1, 19702212), (2, 9851106), (3, 6567404), (4, 4925553), (6, 3283702), (12, 1641851), (47, 419196), (94, 209598), (141, 139732), (181, 108852), (188, 104799), (193, 102084), (282, 69866), (362, 54426), (386, 51042), (543, 36284), (564, 34933), (579, 34028), (724, 27213), (772, 25521), (1086, 18142), (1158, 17014), (2172, 9071), (2316, 8507)]