31913118

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 70995600

約数和(自身を除く): 39082482

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 149, 163, 219, 298, 326, 438, 447, 489, 657, 894, 978, 1314, 1341, 1467, 2682, 2934, 10877, 11899, 21754, 23798, 24287, 32631, 35697, 48574, 65262, 71394, 72861, 97893, 107091, 145722, 195786, 214182, 218583, 437166, 1772951, 3545902, 5318853, 10637706, 15956559, 31913118]

約数ペア:

[(1, 31913118), (2, 15956559), (3, 10637706), (6, 5318853), (9, 3545902), (18, 1772951), (73, 437166), (146, 218583), (149, 214182), (163, 195786), (219, 145722), (298, 107091), (326, 97893), (438, 72861), (447, 71394), (489, 65262), (657, 48574), (894, 35697), (978, 32631), (1314, 24287), (1341, 23798), (1467, 21754), (2682, 11899), (2934, 10877)]