19986528

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^1\times {\mathrm{3413}}^1$

素因数の和:3487

約数の個数: 48

約数和(自身を含む): 53340336

約数和(自身を除く): 33353808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 183, 244, 366, 488, 732, 976, 1464, 1952, 2928, 3413, 5856, 6826, 10239, 13652, 20478, 27304, 40956, 54608, 81912, 109216, 163824, 208193, 327648, 416386, 624579, 832772, 1249158, 1665544, 2498316, 3331088, 4996632, 6662176, 9993264, 19986528]

約数ペア:

[(1, 19986528), (2, 9993264), (3, 6662176), (4, 4996632), (6, 3331088), (8, 2498316), (12, 1665544), (16, 1249158), (24, 832772), (32, 624579), (48, 416386), (61, 327648), (96, 208193), (122, 163824), (183, 109216), (244, 81912), (366, 54608), (488, 40956), (732, 27304), (976, 20478), (1464, 13652), (1952, 10239), (2928, 6826), (3413, 5856)]