19866236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6263}}^1$

素因数の和:6341

約数の個数: 24

約数和(自身を含む): 38060064

約数和(自身を除く): 18193828

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6263, 12526, 25052, 81419, 162838, 325676, 382043, 764086, 1528172, 4966559, 9933118, 19866236]

約数ペア:

[(1, 19866236), (2, 9933118), (4, 4966559), (13, 1528172), (26, 764086), (52, 382043), (61, 325676), (122, 162838), (244, 81419), (793, 25052), (1586, 12526), (3172, 6263)]