18082805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 24766560

約数和(自身を除く): 6683755

約数列:

[1, 5, 13, 29, 53, 65, 145, 181, 265, 377, 689, 905, 1537, 1885, 2353, 3445, 5249, 7685, 9593, 11765, 19981, 26245, 47965, 68237, 99905, 124709, 278197, 341185, 623545, 1390985, 3616561, 18082805]

約数ペア:

[(1, 18082805), (5, 3616561), (13, 1390985), (29, 623545), (53, 341185), (65, 278197), (145, 124709), (181, 99905), (265, 68237), (377, 47965), (689, 26245), (905, 19981), (1537, 11765), (1885, 9593), (2353, 7685), (3445, 5249)]