18404856

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2389}}^1$

素因数の和:2508

約数の個数: 48

約数和(自身を含む): 50333400

約数和(自身を除く): 31928544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2389, 2568, 3852, 4778, 7167, 7704, 9556, 14334, 19112, 21501, 28668, 43002, 57336, 86004, 172008, 255623, 511246, 766869, 1022492, 1533738, 2044984, 2300607, 3067476, 4601214, 6134952, 9202428, 18404856]

約数ペア:

[(1, 18404856), (2, 9202428), (3, 6134952), (4, 4601214), (6, 3067476), (8, 2300607), (9, 2044984), (12, 1533738), (18, 1022492), (24, 766869), (36, 511246), (72, 255623), (107, 172008), (214, 86004), (321, 57336), (428, 43002), (642, 28668), (856, 21501), (963, 19112), (1284, 14334), (1926, 9556), (2389, 7704), (2568, 7167), (3852, 4778)]