18568604

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 33652080

約数和(自身を除く): 15083476

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 1213, 2426, 3827, 4852, 7654, 15308, 52159, 104318, 107957, 208636, 215914, 431828, 4642151, 9284302, 18568604]

約数ペア:

[(1, 18568604), (2, 9284302), (4, 4642151), (43, 431828), (86, 215914), (89, 208636), (172, 107957), (178, 104318), (356, 52159), (1213, 15308), (2426, 7654), (3827, 4852)]