19420263

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 10416537

約数列:

[1, 3, 9, 27, 59, 73, 167, 177, 219, 501, 531, 657, 1503, 1593, 1971, 4307, 4509, 9853, 12191, 12921, 29559, 36573, 38763, 88677, 109719, 116289, 266031, 329157, 719269, 2157807, 6473421, 19420263]

約数ペア:

[(1, 19420263), (3, 6473421), (9, 2157807), (27, 719269), (59, 329157), (73, 266031), (167, 116289), (177, 109719), (219, 88677), (501, 38763), (531, 36573), (657, 29559), (1503, 12921), (1593, 12191), (1971, 9853), (4307, 4509)]