18960465

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12558255

約数列:

[1, 3, 5, 15, 37, 111, 127, 185, 269, 381, 555, 635, 807, 1345, 1905, 4035, 4699, 9953, 14097, 23495, 29859, 34163, 49765, 70485, 102489, 149295, 170815, 512445, 1264031, 3792093, 6320155, 18960465]

約数ペア:

[(1, 18960465), (3, 6320155), (5, 3792093), (15, 1264031), (37, 512445), (111, 170815), (127, 149295), (185, 102489), (269, 70485), (381, 49765), (555, 34163), (635, 29859), (807, 23495), (1345, 14097), (1905, 9953), (4035, 4699)]