18489632

素因数分解:

$2^5\times 7^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 23423008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 197, 224, 394, 419, 788, 838, 1379, 1576, 1676, 2758, 2933, 3152, 3352, 5516, 5866, 6304, 6704, 11032, 11732, 13408, 22064, 23464, 44128, 46928, 82543, 93856, 165086, 330172, 577801, 660344, 1155602, 1320688, 2311204, 2641376, 4622408, 9244816, 18489632]

約数ペア:

[(1, 18489632), (2, 9244816), (4, 4622408), (7, 2641376), (8, 2311204), (14, 1320688), (16, 1155602), (28, 660344), (32, 577801), (56, 330172), (112, 165086), (197, 93856), (224, 82543), (394, 46928), (419, 44128), (788, 23464), (838, 22064), (1379, 13408), (1576, 11732), (1676, 11032), (2758, 6704), (2933, 6304), (3152, 5866), (3352, 5516)]