18739020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 56383488

約数和(自身を除く): 37644468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 37, 46, 60, 69, 74, 92, 111, 115, 138, 148, 185, 222, 230, 276, 345, 367, 370, 444, 460, 555, 690, 734, 740, 851, 1101, 1110, 1380, 1468, 1702, 1835, 2202, 2220, 2553, 3404, 3670, 4255, 4404, 5106, 5505, 7340, 8441, 8510, 10212, 11010, 12765, 13579, 16882, 17020, 22020, 25323, 25530, 27158, 33764, 40737, 42205, 50646, 51060, 54316, 67895, 81474, 84410, 101292, 126615, 135790, 162948, 168820, 203685, 253230, 271580, 312317, 407370, 506460, 624634, 814740, 936951, 1249268, 1561585, 1873902, 3123170, 3747804, 4684755, 6246340, 9369510, 18739020]

約数ペア:

[(1, 18739020), (2, 9369510), (3, 6246340), (4, 4684755), (5, 3747804), (6, 3123170), (10, 1873902), (12, 1561585), (15, 1249268), (20, 936951), (23, 814740), (30, 624634), (37, 506460), (46, 407370), (60, 312317), (69, 271580), (74, 253230), (92, 203685), (111, 168820), (115, 162948), (138, 135790), (148, 126615), (185, 101292), (222, 84410), (230, 81474), (276, 67895), (345, 54316), (367, 51060), (370, 50646), (444, 42205), (460, 40737), (555, 33764), (690, 27158), (734, 25530), (740, 25323), (851, 22020), (1101, 17020), (1110, 16882), (1380, 13579), (1468, 12765), (1702, 11010), (1835, 10212), (2202, 8510), (2220, 8441), (2553, 7340), (3404, 5505), (3670, 5106), (4255, 4404)]