18450235

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 24897600

約数和(自身を除く): 6447365

約数列:

[1, 5, 19, 29, 37, 95, 145, 181, 185, 551, 703, 905, 1073, 2755, 3439, 3515, 5249, 5365, 6697, 17195, 20387, 26245, 33485, 99731, 101935, 127243, 194213, 498655, 636215, 971065, 3690047, 18450235]

約数ペア:

[(1, 18450235), (5, 3690047), (19, 971065), (29, 636215), (37, 498655), (95, 194213), (145, 127243), (181, 101935), (185, 99731), (551, 33485), (703, 26245), (905, 20387), (1073, 17195), (2755, 6697), (3439, 5365), (3515, 5249)]