18761808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 52871616

約数和(自身を除く): 34109808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 107, 156, 208, 214, 281, 312, 321, 428, 562, 624, 642, 843, 856, 1124, 1284, 1391, 1686, 1712, 2248, 2568, 2782, 3372, 3653, 4173, 4496, 5136, 5564, 6744, 7306, 8346, 10959, 11128, 13488, 14612, 16692, 21918, 22256, 29224, 30067, 33384, 43836, 58448, 60134, 66768, 87672, 90201, 120268, 175344, 180402, 240536, 360804, 390871, 481072, 721608, 781742, 1172613, 1443216, 1563484, 2345226, 3126968, 4690452, 6253936, 9380904, 18761808]

約数ペア:

[(1, 18761808), (2, 9380904), (3, 6253936), (4, 4690452), (6, 3126968), (8, 2345226), (12, 1563484), (13, 1443216), (16, 1172613), (24, 781742), (26, 721608), (39, 481072), (48, 390871), (52, 360804), (78, 240536), (104, 180402), (107, 175344), (156, 120268), (208, 90201), (214, 87672), (281, 66768), (312, 60134), (321, 58448), (428, 43836), (562, 33384), (624, 30067), (642, 29224), (843, 22256), (856, 21918), (1124, 16692), (1284, 14612), (1391, 13488), (1686, 11128), (1712, 10959), (2248, 8346), (2568, 7306), (2782, 6744), (3372, 5564), (3653, 5136), (4173, 4496)]