19655025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 36872640

約数和(自身を除く): 17217615

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1061, 1235, 1425, 3183, 3705, 5305, 6175, 13793, 15915, 18525, 20159, 26525, 41379, 60477, 68965, 79575, 100795, 206895, 262067, 302385, 344825, 503975, 786201, 1034475, 1310335, 1511925, 3931005, 6551675, 19655025]

約数ペア:

[(1, 19655025), (3, 6551675), (5, 3931005), (13, 1511925), (15, 1310335), (19, 1034475), (25, 786201), (39, 503975), (57, 344825), (65, 302385), (75, 262067), (95, 206895), (195, 100795), (247, 79575), (285, 68965), (325, 60477), (475, 41379), (741, 26525), (975, 20159), (1061, 18525), (1235, 15915), (1425, 13793), (3183, 6175), (3705, 5305)]