19740903

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{433}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 32664576

約数和(自身を除く): 12923673

約数列:

[1, 3, 7, 13, 21, 39, 91, 167, 273, 433, 501, 1169, 1299, 2171, 3031, 3507, 5629, 6513, 9093, 15197, 16887, 39403, 45591, 72311, 118209, 216933, 506177, 940043, 1518531, 2820129, 6580301, 19740903]

約数ペア:

[(1, 19740903), (3, 6580301), (7, 2820129), (13, 1518531), (21, 940043), (39, 506177), (91, 216933), (167, 118209), (273, 72311), (433, 45591), (501, 39403), (1169, 16887), (1299, 15197), (2171, 9093), (3031, 6513), (3507, 5629)]