19869354

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^2\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 45432000

約数和(自身を除く): 25562646

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 199, 258, 387, 398, 597, 774, 1161, 1194, 1791, 1849, 2322, 3582, 3698, 5373, 5547, 8557, 10746, 11094, 16641, 17114, 25671, 33282, 49923, 51342, 77013, 99846, 154026, 231039, 367951, 462078, 735902, 1103853, 2207706, 3311559, 6623118, 9934677, 19869354]

約数ペア:

[(1, 19869354), (2, 9934677), (3, 6623118), (6, 3311559), (9, 2207706), (18, 1103853), (27, 735902), (43, 462078), (54, 367951), (86, 231039), (129, 154026), (199, 99846), (258, 77013), (387, 51342), (398, 49923), (597, 33282), (774, 25671), (1161, 17114), (1194, 16641), (1791, 11094), (1849, 10746), (2322, 8557), (3582, 5547), (3698, 5373)]