18258910905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{104459}}^1$

素因数の和:104781

約数の個数: 32

約数和(自身を含む): 30004254720

約数和(自身を除く): 11745343815

約数列:

[1, 3, 5, 15, 43, 129, 215, 271, 645, 813, 1355, 4065, 11653, 34959, 58265, 104459, 174795, 313377, 522295, 1566885, 4491737, 13475211, 22458685, 28308389, 67376055, 84925167, 141541945, 424625835, 1217260727, 3651782181, 6086303635, 18258910905]

約数ペア:

[(1, 18258910905), (3, 6086303635), (5, 3651782181), (15, 1217260727), (43, 424625835), (129, 141541945), (215, 84925167), (271, 67376055), (645, 28308389), (813, 22458685), (1355, 13475211), (4065, 4491737), (11653, 1566885), (34959, 522295), (58265, 313377), (104459, 174795)]