18325424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4637}}^1$

素因数の和:4677

約数の個数: 40

約数和(自身を含む): 40257840

約数和(自身を除く): 21932416

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4637, 9274, 18548, 37096, 60281, 74192, 88103, 120562, 176206, 241124, 352412, 482248, 704824, 964496, 1145339, 1409648, 2290678, 4581356, 9162712, 18325424]

約数ペア:

[(1, 18325424), (2, 9162712), (4, 4581356), (8, 2290678), (13, 1409648), (16, 1145339), (19, 964496), (26, 704824), (38, 482248), (52, 352412), (76, 241124), (104, 176206), (152, 120562), (208, 88103), (247, 74192), (304, 60281), (494, 37096), (988, 18548), (1976, 9274), (3952, 4637)]