19926540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{36901}}^1$

素因数の和:36919

約数の個数: 48

約数和(自身を含む): 61995360

約数和(自身を除く): 42068820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 36901, 73802, 110703, 147604, 184505, 221406, 332109, 369010, 442812, 553515, 664218, 738020, 996327, 1107030, 1328436, 1660545, 1992654, 2214060, 3321090, 3985308, 4981635, 6642180, 9963270, 19926540]

約数ペア:

[(1, 19926540), (2, 9963270), (3, 6642180), (4, 4981635), (5, 3985308), (6, 3321090), (9, 2214060), (10, 1992654), (12, 1660545), (15, 1328436), (18, 1107030), (20, 996327), (27, 738020), (30, 664218), (36, 553515), (45, 442812), (54, 369010), (60, 332109), (90, 221406), (108, 184505), (135, 147604), (180, 110703), (270, 73802), (540, 36901)]