18729564

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{601}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 51882768

約数和(自身を除く): 33153204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 601, 636, 742, 1113, 1202, 1484, 1803, 2226, 2404, 2597, 3606, 4207, 4452, 5194, 7212, 7791, 8414, 10388, 12621, 15582, 16828, 25242, 29449, 31164, 31853, 50484, 58898, 63706, 88347, 95559, 117796, 127412, 176694, 191118, 222971, 353388, 382236, 445942, 668913, 891884, 1337826, 1560797, 2675652, 3121594, 4682391, 6243188, 9364782, 18729564]

約数ペア:

[(1, 18729564), (2, 9364782), (3, 6243188), (4, 4682391), (6, 3121594), (7, 2675652), (12, 1560797), (14, 1337826), (21, 891884), (28, 668913), (42, 445942), (49, 382236), (53, 353388), (84, 222971), (98, 191118), (106, 176694), (147, 127412), (159, 117796), (196, 95559), (212, 88347), (294, 63706), (318, 58898), (371, 50484), (588, 31853), (601, 31164), (636, 29449), (742, 25242), (1113, 16828), (1202, 15582), (1484, 12621), (1803, 10388), (2226, 8414), (2404, 7791), (2597, 7212), (3606, 5194), (4207, 4452)]