18784278

素因数分解:

$2^1\times 3^3\times {\mathrm{107}}^1\times {\mathrm{3251}}^1$

素因数の和:3369

約数の個数: 32

約数和(自身を含む): 42145920

約数和(自身を除く): 23361642

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 107, 214, 321, 642, 963, 1926, 2889, 3251, 5778, 6502, 9753, 19506, 29259, 58518, 87777, 175554, 347857, 695714, 1043571, 2087142, 3130713, 6261426, 9392139, 18784278]

約数ペア:

[(1, 18784278), (2, 9392139), (3, 6261426), (6, 3130713), (9, 2087142), (18, 1043571), (27, 695714), (54, 347857), (107, 175554), (214, 87777), (321, 58518), (642, 29259), (963, 19506), (1926, 9753), (2889, 6502), (3251, 5778)]