18597974

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:895

約数の個数: 16

約数和(自身を含む): 28427760

約数和(自身を除く): 9829786

約数列:

[1, 2, 89, 163, 178, 326, 641, 1282, 14507, 29014, 57049, 104483, 114098, 208966, 9298987, 18597974]

約数ペア:

[(1, 18597974), (2, 9298987), (89, 208966), (163, 114098), (178, 104483), (326, 57049), (641, 29014), (1282, 14507)]