19272981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 31868928

約数和(自身を除く): 12595947

約数列:

[1, 3, 7, 13, 21, 39, 91, 227, 273, 311, 681, 933, 1589, 2177, 2951, 4043, 4767, 6531, 8853, 12129, 20657, 28301, 61971, 70597, 84903, 211791, 494179, 917761, 1482537, 2753283, 6424327, 19272981]

約数ペア:

[(1, 19272981), (3, 6424327), (7, 2753283), (13, 1482537), (21, 917761), (39, 494179), (91, 211791), (227, 84903), (273, 70597), (311, 61971), (681, 28301), (933, 20657), (1589, 12129), (2177, 8853), (2951, 6531), (4043, 4767)]