19365008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 40731768

約数和(自身を除く): 21366760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 593, 628, 1186, 1256, 2041, 2372, 2512, 4082, 4744, 7709, 8164, 9488, 15418, 16328, 30836, 32656, 61672, 93101, 123344, 186202, 372404, 744808, 1210313, 1489616, 2420626, 4841252, 9682504, 19365008]

約数ペア:

[(1, 19365008), (2, 9682504), (4, 4841252), (8, 2420626), (13, 1489616), (16, 1210313), (26, 744808), (52, 372404), (104, 186202), (157, 123344), (208, 93101), (314, 61672), (593, 32656), (628, 30836), (1186, 16328), (1256, 15418), (2041, 9488), (2372, 8164), (2512, 7709), (4082, 4744)]