18396609

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 32219136

約数和(自身を除く): 13822527

約数列:

[1, 3, 7, 11, 21, 31, 33, 49, 77, 93, 147, 217, 231, 341, 367, 539, 651, 1023, 1101, 1519, 1617, 2387, 2569, 4037, 4557, 7161, 7707, 11377, 12111, 16709, 17983, 28259, 34131, 50127, 53949, 79639, 84777, 125147, 197813, 238917, 375441, 557473, 593439, 876029, 1672419, 2628087, 6132203, 18396609]

約数ペア:

[(1, 18396609), (3, 6132203), (7, 2628087), (11, 1672419), (21, 876029), (31, 593439), (33, 557473), (49, 375441), (77, 238917), (93, 197813), (147, 125147), (217, 84777), (231, 79639), (341, 53949), (367, 50127), (539, 34131), (651, 28259), (1023, 17983), (1101, 16709), (1519, 12111), (1617, 11377), (2387, 7707), (2569, 7161), (4037, 4557)]