18805875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 35223552

約数和(自身を除く): 16417677

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 97, 125, 141, 165, 235, 275, 291, 375, 485, 517, 705, 825, 1067, 1175, 1375, 1455, 1551, 2425, 2585, 3201, 3525, 4125, 4559, 5335, 5875, 7275, 7755, 12125, 12925, 13677, 16005, 17625, 22795, 26675, 36375, 38775, 50149, 64625, 68385, 80025, 113975, 133375, 150447, 193875, 250745, 341925, 400125, 569875, 752235, 1253725, 1709625, 3761175, 6268625, 18805875]

約数ペア:

[(1, 18805875), (3, 6268625), (5, 3761175), (11, 1709625), (15, 1253725), (25, 752235), (33, 569875), (47, 400125), (55, 341925), (75, 250745), (97, 193875), (125, 150447), (141, 133375), (165, 113975), (235, 80025), (275, 68385), (291, 64625), (375, 50149), (485, 38775), (517, 36375), (705, 26675), (825, 22795), (1067, 17625), (1175, 16005), (1375, 13677), (1455, 12925), (1551, 12125), (2425, 7755), (2585, 7275), (3201, 5875), (3525, 5335), (4125, 4559)]