19883312

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13963}}^1$

素因数の和:14060

約数の個数: 20

約数和(自身を含む): 38959560

約数和(自身を除く): 19076248

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13963, 27926, 55852, 111704, 223408, 1242707, 2485414, 4970828, 9941656, 19883312]

約数ペア:

[(1, 19883312), (2, 9941656), (4, 4970828), (8, 2485414), (16, 1242707), (89, 223408), (178, 111704), (356, 55852), (712, 27926), (1424, 13963)]