18943275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19429}}^1$

素因数の和:19455

約数の個数: 24

約数和(自身を含む): 33730480

約数和(自身を除く): 14787205

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 19429, 58287, 97145, 252577, 291435, 485725, 757731, 1262885, 1457175, 3788655, 6314425, 18943275]

約数ペア:

[(1, 18943275), (3, 6314425), (5, 3788655), (13, 1457175), (15, 1262885), (25, 757731), (39, 485725), (65, 291435), (75, 252577), (195, 97145), (325, 58287), (975, 19429)]