18968564835

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{539723}}^1$

素因数の和:539816

約数の個数: 48

約数和(自身を含む): 36373079808

約数和(自身を除く): 17404514973

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 781, 1065, 2343, 3195, 3905, 7029, 11715, 35145, 539723, 1619169, 2698615, 4857507, 5936953, 8095845, 17810859, 24287535, 29684765, 38320333, 53432577, 89054295, 114960999, 191601665, 267162885, 344882997, 421523663, 574804995, 1264570989, 1724414985, 2107618315, 3793712967, 6322854945, 18968564835]

約数ペア:

[(1, 18968564835), (3, 6322854945), (5, 3793712967), (9, 2107618315), (11, 1724414985), (15, 1264570989), (33, 574804995), (45, 421523663), (55, 344882997), (71, 267162885), (99, 191601665), (165, 114960999), (213, 89054295), (355, 53432577), (495, 38320333), (639, 29684765), (781, 24287535), (1065, 17810859), (2343, 8095845), (3195, 5936953), (3905, 4857507), (7029, 2698615), (11715, 1619169), (35145, 539723)]