18971696

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{6551}}^1$

素因数の和:6740

約数の個数: 20

約数和(自身を含む): 36966384

約数和(自身を除く): 17994688

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 6551, 13102, 26204, 52408, 104816, 1185731, 2371462, 4742924, 9485848, 18971696]

約数ペア:

[(1, 18971696), (2, 9485848), (4, 4742924), (8, 2371462), (16, 1185731), (181, 104816), (362, 52408), (724, 26204), (1448, 13102), (2896, 6551)]