18807408

素因数分解:

$2^4\times 3^2\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1142

約数の個数: 60

約数和(自身を含む): 53089608

約数和(自身を除く): 34282200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 131, 144, 262, 393, 524, 786, 997, 1048, 1179, 1572, 1994, 2096, 2358, 2991, 3144, 3988, 4716, 5982, 6288, 7976, 8973, 9432, 11964, 15952, 17946, 18864, 23928, 35892, 47856, 71784, 130607, 143568, 261214, 391821, 522428, 783642, 1044856, 1175463, 1567284, 2089712, 2350926, 3134568, 4701852, 6269136, 9403704, 18807408]

約数ペア:

[(1, 18807408), (2, 9403704), (3, 6269136), (4, 4701852), (6, 3134568), (8, 2350926), (9, 2089712), (12, 1567284), (16, 1175463), (18, 1044856), (24, 783642), (36, 522428), (48, 391821), (72, 261214), (131, 143568), (144, 130607), (262, 71784), (393, 47856), (524, 35892), (786, 23928), (997, 18864), (1048, 17946), (1179, 15952), (1572, 11964), (1994, 9432), (2096, 8973), (2358, 7976), (2991, 6288), (3144, 5982), (3988, 4716)]