19921624

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{40823}}^1$

素因数の和:40890

約数の個数: 16

約数和(自身を含む): 37966320

約数和(自身を除く): 18044696

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 40823, 81646, 163292, 326584, 2490203, 4980406, 9960812, 19921624]

約数ペア:

[(1, 19921624), (2, 9960812), (4, 4980406), (8, 2490203), (61, 326584), (122, 163292), (244, 81646), (488, 40823)]