18996821003

素因数分解:

${\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1531}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 20847456000

約数和(自身を除く): 1850634997

約数列:

[1, 17, 59, 89, 139, 1003, 1513, 1531, 2363, 5251, 8201, 12371, 26027, 89267, 90329, 136259, 139417, 210307, 212809, 729889, 1535593, 2316403, 3617753, 8039281, 12408113, 12555731, 18940001, 136667777, 213447427, 321980017, 1117460059, 18996821003]

約数ペア:

[(1, 18996821003), (17, 1117460059), (59, 321980017), (89, 213447427), (139, 136667777), (1003, 18940001), (1513, 12555731), (1531, 12408113), (2363, 8039281), (5251, 3617753), (8201, 2316403), (12371, 1535593), (26027, 729889), (89267, 212809), (90329, 210307), (136259, 139417)]