19620788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1543}}^1$

素因数の和:1592

約数の個数: 36

約数和(自身を含む): 39816672

約数和(自身を除く): 20195884

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1543, 3086, 3179, 6172, 6358, 12716, 16973, 26231, 33946, 52462, 67892, 104924, 288541, 445927, 577082, 891854, 1154164, 1783708, 4905197, 9810394, 19620788]

約数ペア:

[(1, 19620788), (2, 9810394), (4, 4905197), (11, 1783708), (17, 1154164), (22, 891854), (34, 577082), (44, 445927), (68, 288541), (187, 104924), (289, 67892), (374, 52462), (578, 33946), (748, 26231), (1156, 16973), (1543, 12716), (3086, 6358), (3179, 6172)]