18442905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 31987200

約数和(自身を除く): 13544295

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 271, 349, 813, 1047, 1355, 1745, 3523, 4065, 4537, 5235, 10569, 13611, 17615, 22685, 52845, 68055, 94579, 283737, 472895, 1229527, 1418685, 3688581, 6147635, 18442905]

約数ペア:

[(1, 18442905), (3, 6147635), (5, 3688581), (13, 1418685), (15, 1229527), (39, 472895), (65, 283737), (195, 94579), (271, 68055), (349, 52845), (813, 22685), (1047, 17615), (1355, 13611), (1745, 10569), (3523, 5235), (4065, 4537)]