19245538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8317}}^1$

素因数の和:8421

約数の個数: 16

約数和(自身を含む): 31442040

約数和(自身を除く): 12196502

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8317, 16634, 108121, 216242, 740213, 1480426, 9622769, 19245538]

約数ペア:

[(1, 19245538), (2, 9622769), (13, 1480426), (26, 740213), (89, 216242), (178, 108121), (1157, 16634), (2314, 8317)]