19290875

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 32

約数和(自身を含む): 25561536

約数和(自身を除く): 6270661

約数列:

[1, 5, 25, 37, 43, 97, 125, 185, 215, 485, 925, 1075, 1591, 2425, 3589, 4171, 4625, 5375, 7955, 12125, 17945, 20855, 39775, 89725, 104275, 154327, 198875, 448625, 521375, 771635, 3858175, 19290875]

約数ペア:

[(1, 19290875), (5, 3858175), (25, 771635), (37, 521375), (43, 448625), (97, 198875), (125, 154327), (185, 104275), (215, 89725), (485, 39775), (925, 20855), (1075, 17945), (1591, 12125), (2425, 7955), (3589, 5375), (4171, 4625)]