18320890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3313}}^1$

素因数の和:3406

約数の個数: 32

約数和(自身を含む): 38177280

約数和(自身を除く): 19856390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3313, 5530, 6626, 16565, 23191, 33130, 46382, 115955, 231910, 261727, 523454, 1308635, 1832089, 2617270, 3664178, 9160445, 18320890]

約数ペア:

[(1, 18320890), (2, 9160445), (5, 3664178), (7, 2617270), (10, 1832089), (14, 1308635), (35, 523454), (70, 261727), (79, 231910), (158, 115955), (395, 46382), (553, 33130), (790, 23191), (1106, 16565), (2765, 6626), (3313, 5530)]