18272488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7639}}^1$

素因数の和:7681

約数の個数: 32

約数和(自身を含む): 38505600

約数和(自身を除く): 20233112

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 7639, 15278, 30556, 61112, 99307, 175697, 198614, 351394, 397228, 702788, 794456, 1405576, 2284061, 4568122, 9136244, 18272488]

約数ペア:

[(1, 18272488), (2, 9136244), (4, 4568122), (8, 2284061), (13, 1405576), (23, 794456), (26, 702788), (46, 397228), (52, 351394), (92, 198614), (104, 175697), (184, 99307), (299, 61112), (598, 30556), (1196, 15278), (2392, 7639)]