18733845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4177}}^1$

素因数の和:4221

約数の個数: 32

約数和(自身を含む): 33691392

約数和(自身を除く): 14957547

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4177, 4485, 12531, 20885, 54301, 62655, 96071, 162903, 271505, 288213, 480355, 814515, 1248923, 1441065, 3746769, 6244615, 18733845]

約数ペア:

[(1, 18733845), (3, 6244615), (5, 3746769), (13, 1441065), (15, 1248923), (23, 814515), (39, 480355), (65, 288213), (69, 271505), (115, 162903), (195, 96071), (299, 62655), (345, 54301), (897, 20885), (1495, 12531), (4177, 4485)]