19383375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 36421632

約数和(自身を除く): 17038257

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 125, 127, 165, 185, 275, 375, 381, 407, 555, 635, 825, 925, 1221, 1375, 1397, 1905, 2035, 2775, 3175, 4125, 4191, 4625, 4699, 6105, 6985, 9525, 10175, 13875, 14097, 15875, 20955, 23495, 30525, 34925, 47625, 50875, 51689, 70485, 104775, 117475, 152625, 155067, 174625, 258445, 352425, 523875, 587375, 775335, 1292225, 1762125, 3876675, 6461125, 19383375]

約数ペア:

[(1, 19383375), (3, 6461125), (5, 3876675), (11, 1762125), (15, 1292225), (25, 775335), (33, 587375), (37, 523875), (55, 352425), (75, 258445), (111, 174625), (125, 155067), (127, 152625), (165, 117475), (185, 104775), (275, 70485), (375, 51689), (381, 50875), (407, 47625), (555, 34925), (635, 30525), (825, 23495), (925, 20955), (1221, 15875), (1375, 14097), (1397, 13875), (1905, 10175), (2035, 9525), (2775, 6985), (3175, 6105), (4125, 4699), (4191, 4625)]