19846701

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 37635840

約数和(自身を除く): 17789139

約数列:

[1, 3, 7, 9, 17, 21, 27, 29, 51, 63, 71, 81, 87, 119, 153, 189, 203, 213, 261, 357, 459, 493, 497, 567, 609, 639, 783, 1071, 1207, 1377, 1479, 1491, 1827, 1917, 2059, 2349, 3213, 3451, 3621, 4437, 4473, 5481, 5751, 6177, 8449, 9639, 10353, 10863, 13311, 13419, 14413, 16443, 18531, 25347, 31059, 32589, 35003, 39933, 40257, 43239, 55593, 76041, 93177, 97767, 105009, 129717, 166779, 228123, 245021, 279531, 315027, 389151, 684369, 735063, 945081, 1167453, 2205189, 2835243, 6615567, 19846701]

約数ペア:

[(1, 19846701), (3, 6615567), (7, 2835243), (9, 2205189), (17, 1167453), (21, 945081), (27, 735063), (29, 684369), (51, 389151), (63, 315027), (71, 279531), (81, 245021), (87, 228123), (119, 166779), (153, 129717), (189, 105009), (203, 97767), (213, 93177), (261, 76041), (357, 55593), (459, 43239), (493, 40257), (497, 39933), (567, 35003), (609, 32589), (639, 31059), (783, 25347), (1071, 18531), (1207, 16443), (1377, 14413), (1479, 13419), (1491, 13311), (1827, 10863), (1917, 10353), (2059, 9639), (2349, 8449), (3213, 6177), (3451, 5751), (3621, 5481), (4437, 4473)]