19128459

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 11837301

約数列:

[1, 3, 7, 19, 21, 57, 133, 191, 251, 399, 573, 753, 1337, 1757, 3629, 4011, 4769, 5271, 10887, 14307, 25403, 33383, 47941, 76209, 100149, 143823, 335587, 910879, 1006761, 2732637, 6376153, 19128459]

約数ペア:

[(1, 19128459), (3, 6376153), (7, 2732637), (19, 1006761), (21, 910879), (57, 335587), (133, 143823), (191, 100149), (251, 76209), (399, 47941), (573, 33383), (753, 25403), (1337, 14307), (1757, 10887), (3629, 5271), (4011, 4769)]