18891540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104953}}^1$

素因数の和:104968

約数の個数: 36

約数和(自身を含む): 57304884

約数和(自身を除く): 38413344

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104953, 209906, 314859, 419812, 524765, 629718, 944577, 1049530, 1259436, 1574295, 1889154, 2099060, 3148590, 3778308, 4722885, 6297180, 9445770, 18891540]

約数ペア:

[(1, 18891540), (2, 9445770), (3, 6297180), (4, 4722885), (5, 3778308), (6, 3148590), (9, 2099060), (10, 1889154), (12, 1574295), (15, 1259436), (18, 1049530), (20, 944577), (30, 629718), (36, 524765), (45, 419812), (60, 314859), (90, 209906), (180, 104953)]