18664740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1069}}^1$

素因数の和:1181

約数の個数: 72

約数和(自身を含む): 57253560

約数和(自身を除く): 38588820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1069, 1164, 1455, 1746, 1940, 2138, 2910, 3207, 3492, 4276, 4365, 5345, 5820, 6414, 8730, 9621, 10690, 12828, 16035, 17460, 19242, 21380, 32070, 38484, 48105, 64140, 96210, 103693, 192420, 207386, 311079, 414772, 518465, 622158, 933237, 1036930, 1244316, 1555395, 1866474, 2073860, 3110790, 3732948, 4666185, 6221580, 9332370, 18664740]

約数ペア:

[(1, 18664740), (2, 9332370), (3, 6221580), (4, 4666185), (5, 3732948), (6, 3110790), (9, 2073860), (10, 1866474), (12, 1555395), (15, 1244316), (18, 1036930), (20, 933237), (30, 622158), (36, 518465), (45, 414772), (60, 311079), (90, 207386), (97, 192420), (180, 103693), (194, 96210), (291, 64140), (388, 48105), (485, 38484), (582, 32070), (873, 21380), (970, 19242), (1069, 17460), (1164, 16035), (1455, 12828), (1746, 10690), (1940, 9621), (2138, 8730), (2910, 6414), (3207, 5820), (3492, 5345), (4276, 4365)]