18961774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12971666

約数列:

[1, 2, 13, 26, 47, 59, 94, 118, 263, 526, 611, 767, 1222, 1534, 2773, 3419, 5546, 6838, 12361, 15517, 24722, 31034, 36049, 72098, 160693, 201721, 321386, 403442, 729299, 1458598, 9480887, 18961774]

約数ペア:

[(1, 18961774), (2, 9480887), (13, 1458598), (26, 729299), (47, 403442), (59, 321386), (94, 201721), (118, 160693), (263, 72098), (526, 36049), (611, 31034), (767, 24722), (1222, 15517), (1534, 12361), (2773, 6838), (3419, 5546)]