17951986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{821}}^1$

素因数の和:894

約数の個数: 24

約数和(自身を含む): 30070404

約数和(自身を除く): 12118418

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 821, 841, 1642, 1682, 10673, 10933, 21346, 21866, 23809, 47618, 309517, 619034, 690461, 1380922, 8975993, 17951986]

約数ペア:

[(1, 17951986), (2, 8975993), (13, 1380922), (26, 690461), (29, 619034), (58, 309517), (377, 47618), (754, 23809), (821, 21866), (841, 21346), (1642, 10933), (1682, 10673)]