19993233

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10972527

約数列:

[1, 3, 13, 23, 31, 39, 69, 93, 299, 403, 713, 719, 897, 1209, 2139, 2157, 9269, 9347, 16537, 22289, 27807, 28041, 49611, 66867, 214981, 289757, 512647, 644943, 869271, 1537941, 6664411, 19993233]

約数ペア:

[(1, 19993233), (3, 6664411), (13, 1537941), (23, 869271), (31, 644943), (39, 512647), (69, 289757), (93, 214981), (299, 66867), (403, 49611), (713, 28041), (719, 27807), (897, 22289), (1209, 16537), (2139, 9347), (2157, 9269)]