19019550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11527}}^1$

素因数の和:11553

約数の個数: 48

約数和(自身を含む): 51460992

約数和(自身を除く): 32441442

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 11527, 23054, 34581, 57635, 69162, 115270, 126797, 172905, 253594, 288175, 345810, 380391, 576350, 633985, 760782, 864525, 1267970, 1729050, 1901955, 3169925, 3803910, 6339850, 9509775, 19019550]

約数ペア:

[(1, 19019550), (2, 9509775), (3, 6339850), (5, 3803910), (6, 3169925), (10, 1901955), (11, 1729050), (15, 1267970), (22, 864525), (25, 760782), (30, 633985), (33, 576350), (50, 380391), (55, 345810), (66, 288175), (75, 253594), (110, 172905), (150, 126797), (165, 115270), (275, 69162), (330, 57635), (550, 34581), (825, 23054), (1650, 11527)]