19996866

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15647}}^1$

素因数の和:15726

約数の個数: 24

約数和(自身を含む): 43939584

約数和(自身を除く): 23942718

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15647, 31294, 46941, 93882, 140823, 281646, 1110937, 2221874, 3332811, 6665622, 9998433, 19996866]

約数ペア:

[(1, 19996866), (2, 9998433), (3, 6665622), (6, 3332811), (9, 2221874), (18, 1110937), (71, 281646), (142, 140823), (213, 93882), (426, 46941), (639, 31294), (1278, 15647)]