18696938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 31646160

約数和(自身を除く): 12949222

約数列:

[1, 2, 13, 26, 29, 58, 137, 181, 274, 362, 377, 754, 1781, 2353, 3562, 3973, 4706, 5249, 7946, 10498, 24797, 49594, 51649, 68237, 103298, 136474, 322361, 644722, 719113, 1438226, 9348469, 18696938]

約数ペア:

[(1, 18696938), (2, 9348469), (13, 1438226), (26, 719113), (29, 644722), (58, 322361), (137, 136474), (181, 103298), (274, 68237), (362, 51649), (377, 49594), (754, 24797), (1781, 10498), (2353, 7946), (3562, 5249), (3973, 4706)]