19551125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 27181440

約数和(自身を除く): 7630315

約数列:

[1, 5, 11, 25, 55, 59, 125, 241, 275, 295, 649, 1205, 1375, 1475, 2651, 3245, 6025, 7375, 13255, 14219, 16225, 30125, 66275, 71095, 81125, 156409, 331375, 355475, 782045, 1777375, 3910225, 19551125]

約数ペア:

[(1, 19551125), (5, 3910225), (11, 1777375), (25, 782045), (55, 355475), (59, 331375), (125, 156409), (241, 81125), (275, 71095), (295, 66275), (649, 30125), (1205, 16225), (1375, 14219), (1475, 13255), (2651, 7375), (3245, 6025)]