19948616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146681}}^1$

素因数の和:146704

約数の個数: 16

約数和(自身を含む): 39604140

約数和(自身を除く): 19655524

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146681, 293362, 586724, 1173448, 2493577, 4987154, 9974308, 19948616]

約数ペア:

[(1, 19948616), (2, 9974308), (4, 4987154), (8, 2493577), (17, 1173448), (34, 586724), (68, 293362), (136, 146681)]