19809780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17377}}^1$

素因数の和:17408

約数の個数: 48

約数和(自身を含む): 58390080

約数和(自身を除く): 38580300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17377, 34754, 52131, 69508, 86885, 104262, 173770, 208524, 260655, 330163, 347540, 521310, 660326, 990489, 1042620, 1320652, 1650815, 1980978, 3301630, 3961956, 4952445, 6603260, 9904890, 19809780]

約数ペア:

[(1, 19809780), (2, 9904890), (3, 6603260), (4, 4952445), (5, 3961956), (6, 3301630), (10, 1980978), (12, 1650815), (15, 1320652), (19, 1042620), (20, 990489), (30, 660326), (38, 521310), (57, 347540), (60, 330163), (76, 260655), (95, 208524), (114, 173770), (190, 104262), (228, 86885), (285, 69508), (380, 52131), (570, 34754), (1140, 17377)]