18738200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7207}}^1$

素因数の和:7236

約数の個数: 48

約数和(自身を含む): 46924080

約数和(自身を除く): 28185880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7207, 14414, 28828, 36035, 57656, 72070, 93691, 144140, 180175, 187382, 288280, 360350, 374764, 468455, 720700, 749528, 936910, 1441400, 1873820, 2342275, 3747640, 4684550, 9369100, 18738200]

約数ペア:

[(1, 18738200), (2, 9369100), (4, 4684550), (5, 3747640), (8, 2342275), (10, 1873820), (13, 1441400), (20, 936910), (25, 749528), (26, 720700), (40, 468455), (50, 374764), (52, 360350), (65, 288280), (100, 187382), (104, 180175), (130, 144140), (200, 93691), (260, 72070), (325, 57656), (520, 36035), (650, 28828), (1300, 14414), (2600, 7207)]