18848840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16249}}^1$

素因数の和:16289

約数の個数: 32

約数和(自身を含む): 43875000

約数和(自身を除く): 25026160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16249, 32498, 64996, 81245, 129992, 162490, 324980, 471221, 649960, 942442, 1884884, 2356105, 3769768, 4712210, 9424420, 18848840]

約数ペア:

[(1, 18848840), (2, 9424420), (4, 4712210), (5, 3769768), (8, 2356105), (10, 1884884), (20, 942442), (29, 649960), (40, 471221), (58, 324980), (116, 162490), (145, 129992), (232, 81245), (290, 64996), (580, 32498), (1160, 16249)]