19943664

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1086

約数の個数: 80

約数和(自身を含む): 57329664

約数和(自身を除く): 37386000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1031, 1209, 1488, 1612, 2062, 2418, 3093, 3224, 4124, 4836, 6186, 6448, 8248, 9672, 12372, 13403, 16496, 19344, 24744, 26806, 31961, 40209, 49488, 53612, 63922, 80418, 95883, 107224, 127844, 160836, 191766, 214448, 255688, 321672, 383532, 415493, 511376, 643344, 767064, 830986, 1246479, 1534128, 1661972, 2492958, 3323944, 4985916, 6647888, 9971832, 19943664]

約数ペア:

[(1, 19943664), (2, 9971832), (3, 6647888), (4, 4985916), (6, 3323944), (8, 2492958), (12, 1661972), (13, 1534128), (16, 1246479), (24, 830986), (26, 767064), (31, 643344), (39, 511376), (48, 415493), (52, 383532), (62, 321672), (78, 255688), (93, 214448), (104, 191766), (124, 160836), (156, 127844), (186, 107224), (208, 95883), (248, 80418), (312, 63922), (372, 53612), (403, 49488), (496, 40209), (624, 31961), (744, 26806), (806, 24744), (1031, 19344), (1209, 16496), (1488, 13403), (1612, 12372), (2062, 9672), (2418, 8248), (3093, 6448), (3224, 6186), (4124, 4836)]