18566925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 33539520

約数和(自身を除く): 14972595

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 137, 139, 195, 325, 411, 417, 685, 695, 975, 1781, 1807, 2055, 2085, 3425, 3475, 5343, 5421, 8905, 9035, 10275, 10425, 19043, 26715, 27105, 44525, 45175, 57129, 95215, 133575, 135525, 247559, 285645, 476075, 742677, 1237795, 1428225, 3713385, 6188975, 18566925]

約数ペア:

[(1, 18566925), (3, 6188975), (5, 3713385), (13, 1428225), (15, 1237795), (25, 742677), (39, 476075), (65, 285645), (75, 247559), (137, 135525), (139, 133575), (195, 95215), (325, 57129), (411, 45175), (417, 44525), (685, 27105), (695, 26715), (975, 19043), (1781, 10425), (1807, 10275), (2055, 9035), (2085, 8905), (3425, 5421), (3475, 5343)]