18868425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{13241}}^1$

素因数の和:13273

約数の個数: 24

約数和(自身を含む): 32840160

約数和(自身を除く): 13971735

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 13241, 39723, 66205, 198615, 251579, 331025, 754737, 993075, 1257895, 3773685, 6289475, 18868425]

約数ペア:

[(1, 18868425), (3, 6289475), (5, 3773685), (15, 1257895), (19, 993075), (25, 754737), (57, 331025), (75, 251579), (95, 198615), (285, 66205), (475, 39723), (1425, 13241)]