18247923

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 40

約数和(自身を含む): 29272320

約数和(自身を除く): 11024397

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 167, 171, 213, 501, 513, 639, 1349, 1503, 1539, 1917, 3173, 4047, 4509, 5751, 9519, 11857, 12141, 13527, 28557, 35571, 36423, 85671, 106713, 109269, 225283, 257013, 320139, 675849, 960417, 2027547, 6082641, 18247923]

約数ペア:

[(1, 18247923), (3, 6082641), (9, 2027547), (19, 960417), (27, 675849), (57, 320139), (71, 257013), (81, 225283), (167, 109269), (171, 106713), (213, 85671), (501, 36423), (513, 35571), (639, 28557), (1349, 13527), (1503, 12141), (1539, 11857), (1917, 9519), (3173, 5751), (4047, 4509)]