19102875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 35022624

約数和(自身を除く): 15919749

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 165, 275, 363, 375, 421, 605, 825, 1263, 1375, 1815, 2105, 3025, 4125, 4631, 6315, 9075, 10525, 13893, 15125, 23155, 31575, 45375, 50941, 52625, 69465, 115775, 152823, 157875, 254705, 347325, 578875, 764115, 1273525, 1736625, 3820575, 6367625, 19102875]

約数ペア:

[(1, 19102875), (3, 6367625), (5, 3820575), (11, 1736625), (15, 1273525), (25, 764115), (33, 578875), (55, 347325), (75, 254705), (121, 157875), (125, 152823), (165, 115775), (275, 69465), (363, 52625), (375, 50941), (421, 45375), (605, 31575), (825, 23155), (1263, 15125), (1375, 13893), (1815, 10525), (2105, 9075), (3025, 6315), (4125, 4631)]