18619664

素因数分解:

$2^4\times 7^1\times {\mathrm{166247}}^1$

素因数の和:166262

約数の個数: 20

約数和(自身を含む): 41229504

約数和(自身を除く): 22609840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 166247, 332494, 664988, 1163729, 1329976, 2327458, 2659952, 4654916, 9309832, 18619664]

約数ペア:

[(1, 18619664), (2, 9309832), (4, 4654916), (7, 2659952), (8, 2327458), (14, 1329976), (16, 1163729), (28, 664988), (56, 332494), (112, 166247)]