19171312

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13463}}^1$

素因数の和:13560

約数の個数: 20

約数和(自身を含む): 37564560

約数和(自身を除く): 18393248

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13463, 26926, 53852, 107704, 215408, 1198207, 2396414, 4792828, 9585656, 19171312]

約数ペア:

[(1, 19171312), (2, 9585656), (4, 4792828), (8, 2396414), (16, 1198207), (89, 215408), (178, 107704), (356, 53852), (712, 26926), (1424, 13463)]