18249028

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 39029760

約数和(自身を除く): 20780732

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 659, 989, 1204, 1318, 1978, 2636, 3956, 4613, 6923, 9226, 13846, 15157, 18452, 27692, 28337, 30314, 56674, 60628, 106099, 113348, 198359, 212198, 396718, 424396, 651751, 793436, 1303502, 2607004, 4562257, 9124514, 18249028]

約数ペア:

[(1, 18249028), (2, 9124514), (4, 4562257), (7, 2607004), (14, 1303502), (23, 793436), (28, 651751), (43, 424396), (46, 396718), (86, 212198), (92, 198359), (161, 113348), (172, 106099), (301, 60628), (322, 56674), (602, 30314), (644, 28337), (659, 27692), (989, 18452), (1204, 15157), (1318, 13846), (1978, 9226), (2636, 6923), (3956, 4613)]