18859880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36269}}^1$

素因数の和:36293

約数の個数: 32

約数和(自身を含む): 45700200

約数和(自身を除く): 26840320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36269, 72538, 145076, 181345, 290152, 362690, 471497, 725380, 942994, 1450760, 1885988, 2357485, 3771976, 4714970, 9429940, 18859880]

約数ペア:

[(1, 18859880), (2, 9429940), (4, 4714970), (5, 3771976), (8, 2357485), (10, 1885988), (13, 1450760), (20, 942994), (26, 725380), (40, 471497), (52, 362690), (65, 290152), (104, 181345), (130, 145076), (260, 72538), (520, 36269)]