19487730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 30278670

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 179, 190, 191, 285, 358, 382, 537, 570, 573, 895, 955, 1074, 1146, 1790, 1910, 2685, 2865, 3401, 3629, 5370, 5730, 6802, 7258, 10203, 10887, 17005, 18145, 20406, 21774, 34010, 34189, 36290, 51015, 54435, 68378, 102030, 102567, 108870, 170945, 205134, 341890, 512835, 649591, 1025670, 1299182, 1948773, 3247955, 3897546, 6495910, 9743865, 19487730]

約数ペア:

[(1, 19487730), (2, 9743865), (3, 6495910), (5, 3897546), (6, 3247955), (10, 1948773), (15, 1299182), (19, 1025670), (30, 649591), (38, 512835), (57, 341890), (95, 205134), (114, 170945), (179, 108870), (190, 102567), (191, 102030), (285, 68378), (358, 54435), (382, 51015), (537, 36290), (570, 34189), (573, 34010), (895, 21774), (955, 20406), (1074, 18145), (1146, 17005), (1790, 10887), (1910, 10203), (2685, 7258), (2865, 6802), (3401, 5730), (3629, 5370)]