18799690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 42368256

約数和(自身を除く): 23568566

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 283, 365, 455, 511, 566, 730, 910, 949, 1022, 1415, 1898, 1981, 2555, 2830, 3679, 3962, 4745, 5110, 6643, 7358, 9490, 9905, 13286, 18395, 19810, 20659, 25753, 33215, 36790, 41318, 51506, 66430, 103295, 128765, 144613, 206590, 257530, 268567, 289226, 537134, 723065, 1342835, 1446130, 1879969, 2685670, 3759938, 9399845, 18799690]

約数ペア:

[(1, 18799690), (2, 9399845), (5, 3759938), (7, 2685670), (10, 1879969), (13, 1446130), (14, 1342835), (26, 723065), (35, 537134), (65, 289226), (70, 268567), (73, 257530), (91, 206590), (130, 144613), (146, 128765), (182, 103295), (283, 66430), (365, 51506), (455, 41318), (511, 36790), (566, 33215), (730, 25753), (910, 20659), (949, 19810), (1022, 18395), (1415, 13286), (1898, 9905), (1981, 9490), (2555, 7358), (2830, 6643), (3679, 5110), (3962, 4745)]