19635175

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 29730240

約数和(自身を除く): 10095065

約数列:

[1, 5, 7, 25, 29, 35, 53, 73, 145, 175, 203, 265, 365, 371, 511, 725, 1015, 1325, 1537, 1825, 1855, 2117, 2555, 3869, 5075, 7685, 9275, 10585, 10759, 12775, 14819, 19345, 27083, 38425, 52925, 53795, 74095, 96725, 112201, 135415, 268975, 370475, 561005, 677075, 785407, 2805025, 3927035, 19635175]

約数ペア:

[(1, 19635175), (5, 3927035), (7, 2805025), (25, 785407), (29, 677075), (35, 561005), (53, 370475), (73, 268975), (145, 135415), (175, 112201), (203, 96725), (265, 74095), (365, 53795), (371, 52925), (511, 38425), (725, 27083), (1015, 19345), (1325, 14819), (1537, 12775), (1825, 10759), (1855, 10585), (2117, 9275), (2555, 7685), (3869, 5075)]