18899433

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 33893760

約数和(自身を除く): 14994327

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 277, 361, 399, 513, 831, 1083, 1197, 1939, 2493, 2527, 3249, 3591, 5263, 5817, 7479, 7581, 9747, 15789, 17451, 22743, 36841, 47367, 52353, 68229, 99997, 110523, 142101, 299991, 331569, 699979, 899973, 994707, 2099937, 2699919, 6299811, 18899433]

約数ペア:

[(1, 18899433), (3, 6299811), (7, 2699919), (9, 2099937), (19, 994707), (21, 899973), (27, 699979), (57, 331569), (63, 299991), (133, 142101), (171, 110523), (189, 99997), (277, 68229), (361, 52353), (399, 47367), (513, 36841), (831, 22743), (1083, 17451), (1197, 15789), (1939, 9747), (2493, 7581), (2527, 7479), (3249, 5817), (3591, 5263)]