18620475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 33033600

約数和(自身を除く): 14413125

約数列:

[1, 3, 5, 15, 19, 25, 57, 73, 75, 95, 179, 219, 285, 365, 475, 537, 895, 1095, 1387, 1425, 1825, 2685, 3401, 4161, 4475, 5475, 6935, 10203, 13067, 13425, 17005, 20805, 34675, 39201, 51015, 65335, 85025, 104025, 196005, 248273, 255075, 326675, 744819, 980025, 1241365, 3724095, 6206825, 18620475]

約数ペア:

[(1, 18620475), (3, 6206825), (5, 3724095), (15, 1241365), (19, 980025), (25, 744819), (57, 326675), (73, 255075), (75, 248273), (95, 196005), (179, 104025), (219, 85025), (285, 65335), (365, 51015), (475, 39201), (537, 34675), (895, 20805), (1095, 17005), (1387, 13425), (1425, 13067), (1825, 10203), (2685, 6935), (3401, 5475), (4161, 4475)]