18216770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12739}}^1$

素因数の和:12770

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 20308990

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 12739, 25478, 63695, 127390, 140129, 165607, 280258, 331214, 700645, 828035, 1401290, 1656070, 1821677, 3643354, 9108385, 18216770]

約数ペア:

[(1, 18216770), (2, 9108385), (5, 3643354), (10, 1821677), (11, 1656070), (13, 1401290), (22, 828035), (26, 700645), (55, 331214), (65, 280258), (110, 165607), (130, 140129), (143, 127390), (286, 63695), (715, 25478), (1430, 12739)]