18412425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 35786400

約数和(自身を除く): 17373975

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 59, 73, 75, 95, 171, 177, 219, 225, 285, 295, 365, 475, 531, 657, 855, 885, 1095, 1121, 1387, 1425, 1475, 1825, 2655, 3285, 3363, 4161, 4275, 4307, 4425, 5475, 5605, 6935, 10089, 12483, 12921, 13275, 16425, 16815, 20805, 21535, 28025, 34675, 38763, 50445, 62415, 64605, 81833, 84075, 104025, 107675, 193815, 245499, 252225, 312075, 323025, 409165, 736497, 969075, 1227495, 2045825, 3682485, 6137475, 18412425]

約数ペア:

[(1, 18412425), (3, 6137475), (5, 3682485), (9, 2045825), (15, 1227495), (19, 969075), (25, 736497), (45, 409165), (57, 323025), (59, 312075), (73, 252225), (75, 245499), (95, 193815), (171, 107675), (177, 104025), (219, 84075), (225, 81833), (285, 64605), (295, 62415), (365, 50445), (475, 38763), (531, 34675), (657, 28025), (855, 21535), (885, 20805), (1095, 16815), (1121, 16425), (1387, 13275), (1425, 12921), (1475, 12483), (1825, 10089), (2655, 6935), (3285, 5605), (3363, 5475), (4161, 4425), (4275, 4307)]