18725925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 34551360

約数和(自身を除く): 15825435

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 773, 969, 1275, 1425, 1615, 2319, 3865, 4845, 8075, 11595, 13141, 14687, 19325, 24225, 39423, 44061, 57975, 65705, 73435, 197115, 220305, 249679, 328525, 367175, 749037, 985575, 1101525, 1248395, 3745185, 6241975, 18725925]

約数ペア:

[(1, 18725925), (3, 6241975), (5, 3745185), (15, 1248395), (17, 1101525), (19, 985575), (25, 749037), (51, 367175), (57, 328525), (75, 249679), (85, 220305), (95, 197115), (255, 73435), (285, 65705), (323, 57975), (425, 44061), (475, 39423), (773, 24225), (969, 19325), (1275, 14687), (1425, 13141), (1615, 11595), (2319, 8075), (3865, 4845)]