19387125

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 36828480

約数和(自身を除く): 17441355

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 855, 907, 1125, 1425, 2375, 2721, 4275, 4535, 7125, 8163, 13605, 17233, 21375, 22675, 40815, 51699, 68025, 86165, 113375, 155097, 204075, 258495, 340125, 430825, 775485, 1020375, 1292475, 2154125, 3877425, 6462375, 19387125]

約数ペア:

[(1, 19387125), (3, 6462375), (5, 3877425), (9, 2154125), (15, 1292475), (19, 1020375), (25, 775485), (45, 430825), (57, 340125), (75, 258495), (95, 204075), (125, 155097), (171, 113375), (225, 86165), (285, 68025), (375, 51699), (475, 40815), (855, 22675), (907, 21375), (1125, 17233), (1425, 13605), (2375, 8163), (2721, 7125), (4275, 4535)]