18380947871

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{53269}}^1$

素因数の和:53439

約数の個数: 32

約数和(自身を含む): 22910361600

約数和(自身を除く): 4529413729

約数列:

[1, 11, 13, 19, 127, 143, 209, 247, 1397, 1651, 2413, 2717, 18161, 26543, 31369, 53269, 345059, 585959, 692497, 1012111, 6765163, 7617467, 11133221, 13157443, 74416793, 87947119, 128538097, 144731873, 967418309, 1413919067, 1670995261, 18380947871]

約数ペア:

[(1, 18380947871), (11, 1670995261), (13, 1413919067), (19, 967418309), (127, 144731873), (143, 128538097), (209, 87947119), (247, 74416793), (1397, 13157443), (1651, 11133221), (2413, 7617467), (2717, 6765163), (18161, 1012111), (26543, 692497), (31369, 585959), (53269, 345059)]