18585540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 57133440

約数和(自身を除く): 38547900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1307, 1422, 1580, 2370, 2614, 2844, 3555, 3921, 4740, 5228, 6535, 7110, 7842, 11763, 13070, 14220, 15684, 19605, 23526, 26140, 39210, 47052, 58815, 78420, 103253, 117630, 206506, 235260, 309759, 413012, 516265, 619518, 929277, 1032530, 1239036, 1548795, 1858554, 2065060, 3097590, 3717108, 4646385, 6195180, 9292770, 18585540]

約数ペア:

[(1, 18585540), (2, 9292770), (3, 6195180), (4, 4646385), (5, 3717108), (6, 3097590), (9, 2065060), (10, 1858554), (12, 1548795), (15, 1239036), (18, 1032530), (20, 929277), (30, 619518), (36, 516265), (45, 413012), (60, 309759), (79, 235260), (90, 206506), (158, 117630), (180, 103253), (237, 78420), (316, 58815), (395, 47052), (474, 39210), (711, 26140), (790, 23526), (948, 19605), (1185, 15684), (1307, 14220), (1422, 13070), (1580, 11763), (2370, 7842), (2614, 7110), (2844, 6535), (3555, 5228), (3921, 4740)]