18986904

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{2963}}^1$

素因数の和:3064

約数の個数: 48

約数和(自身を含む): 52018200

約数和(自身を除く): 33031296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 2963, 3204, 5926, 6408, 8889, 11852, 17778, 23704, 26667, 35556, 53334, 71112, 106668, 213336, 263707, 527414, 791121, 1054828, 1582242, 2109656, 2373363, 3164484, 4746726, 6328968, 9493452, 18986904]

約数ペア:

[(1, 18986904), (2, 9493452), (3, 6328968), (4, 4746726), (6, 3164484), (8, 2373363), (9, 2109656), (12, 1582242), (18, 1054828), (24, 791121), (36, 527414), (72, 263707), (89, 213336), (178, 106668), (267, 71112), (356, 53334), (534, 35556), (712, 26667), (801, 23704), (1068, 17778), (1602, 11852), (2136, 8889), (2963, 6408), (3204, 5926)]