17978778

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43427}}^1$

素因数の和:43458

約数の個数: 24

約数和(自身を含む): 40648608

約数和(自身を除く): 22669830

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 43427, 86854, 130281, 260562, 390843, 781686, 998821, 1997642, 2996463, 5992926, 8989389, 17978778]

約数ペア:

[(1, 17978778), (2, 8989389), (3, 5992926), (6, 2996463), (9, 1997642), (18, 998821), (23, 781686), (46, 390843), (69, 260562), (138, 130281), (207, 86854), (414, 43427)]