18733610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 21908950

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 89, 97, 155, 178, 194, 217, 310, 434, 445, 485, 623, 679, 890, 970, 1085, 1246, 1358, 2170, 2759, 3007, 3115, 3395, 5518, 6014, 6230, 6790, 8633, 13795, 15035, 17266, 19313, 21049, 27590, 30070, 38626, 42098, 43165, 60431, 86330, 96565, 105245, 120862, 193130, 210490, 267623, 302155, 535246, 604310, 1338115, 1873361, 2676230, 3746722, 9366805, 18733610]

約数ペア:

[(1, 18733610), (2, 9366805), (5, 3746722), (7, 2676230), (10, 1873361), (14, 1338115), (31, 604310), (35, 535246), (62, 302155), (70, 267623), (89, 210490), (97, 193130), (155, 120862), (178, 105245), (194, 96565), (217, 86330), (310, 60431), (434, 43165), (445, 42098), (485, 38626), (623, 30070), (679, 27590), (890, 21049), (970, 19313), (1085, 17266), (1246, 15035), (1358, 13795), (2170, 8633), (2759, 6790), (3007, 6230), (3115, 6014), (3395, 5518)]