19828875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:82

約数の個数: 96

約数和(自身を含む): 39836160

約数和(自身を除く): 20007285

約数列:

[1, 3, 5, 11, 15, 19, 23, 25, 33, 55, 57, 69, 75, 95, 115, 121, 125, 165, 209, 253, 275, 285, 345, 363, 375, 437, 475, 575, 605, 627, 759, 825, 1045, 1265, 1311, 1375, 1425, 1725, 1815, 2185, 2299, 2375, 2783, 2875, 3025, 3135, 3795, 4125, 4807, 5225, 6325, 6555, 6897, 7125, 8349, 8625, 9075, 10925, 11495, 13915, 14421, 15125, 15675, 18975, 24035, 26125, 31625, 32775, 34485, 41745, 45375, 52877, 54625, 57475, 69575, 72105, 78375, 94875, 120175, 158631, 163875, 172425, 208725, 264385, 287375, 347875, 360525, 600875, 793155, 862125, 1043625, 1321925, 1802625, 3965775, 6609625, 19828875]

約数ペア:

[(1, 19828875), (3, 6609625), (5, 3965775), (11, 1802625), (15, 1321925), (19, 1043625), (23, 862125), (25, 793155), (33, 600875), (55, 360525), (57, 347875), (69, 287375), (75, 264385), (95, 208725), (115, 172425), (121, 163875), (125, 158631), (165, 120175), (209, 94875), (253, 78375), (275, 72105), (285, 69575), (345, 57475), (363, 54625), (375, 52877), (437, 45375), (475, 41745), (575, 34485), (605, 32775), (627, 31625), (759, 26125), (825, 24035), (1045, 18975), (1265, 15675), (1311, 15125), (1375, 14421), (1425, 13915), (1725, 11495), (1815, 10925), (2185, 9075), (2299, 8625), (2375, 8349), (2783, 7125), (2875, 6897), (3025, 6555), (3135, 6325), (3795, 5225), (4125, 4807)]