19663992

素因数分解:

$2^3\times 3^3\times {\mathrm{59}}^1\times {\mathrm{1543}}^1$

素因数の和:1617

約数の個数: 64

約数和(自身を含む): 55584000

約数和(自身を除く): 35920008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 108, 118, 177, 216, 236, 354, 472, 531, 708, 1062, 1416, 1543, 1593, 2124, 3086, 3186, 4248, 4629, 6172, 6372, 9258, 12344, 12744, 13887, 18516, 27774, 37032, 41661, 55548, 83322, 91037, 111096, 166644, 182074, 273111, 333288, 364148, 546222, 728296, 819333, 1092444, 1638666, 2184888, 2457999, 3277332, 4915998, 6554664, 9831996, 19663992]

約数ペア:

[(1, 19663992), (2, 9831996), (3, 6554664), (4, 4915998), (6, 3277332), (8, 2457999), (9, 2184888), (12, 1638666), (18, 1092444), (24, 819333), (27, 728296), (36, 546222), (54, 364148), (59, 333288), (72, 273111), (108, 182074), (118, 166644), (177, 111096), (216, 91037), (236, 83322), (354, 55548), (472, 41661), (531, 37032), (708, 27774), (1062, 18516), (1416, 13887), (1543, 12744), (1593, 12344), (2124, 9258), (3086, 6372), (3186, 6172), (4248, 4629)]