19983456

素因数分解:

$2^5\times 3^3\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 59119200

約数和(自身を除く): 39135744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 101, 108, 144, 202, 216, 229, 288, 303, 404, 432, 458, 606, 687, 808, 864, 909, 916, 1212, 1374, 1616, 1818, 1832, 2061, 2424, 2727, 2748, 3232, 3636, 3664, 4122, 4848, 5454, 5496, 6183, 7272, 7328, 8244, 9696, 10908, 10992, 12366, 14544, 16488, 21816, 21984, 23129, 24732, 29088, 32976, 43632, 46258, 49464, 65952, 69387, 87264, 92516, 98928, 138774, 185032, 197856, 208161, 277548, 370064, 416322, 555096, 624483, 740128, 832644, 1110192, 1248966, 1665288, 2220384, 2497932, 3330576, 4995864, 6661152, 9991728, 19983456]

約数ペア:

[(1, 19983456), (2, 9991728), (3, 6661152), (4, 4995864), (6, 3330576), (8, 2497932), (9, 2220384), (12, 1665288), (16, 1248966), (18, 1110192), (24, 832644), (27, 740128), (32, 624483), (36, 555096), (48, 416322), (54, 370064), (72, 277548), (96, 208161), (101, 197856), (108, 185032), (144, 138774), (202, 98928), (216, 92516), (229, 87264), (288, 69387), (303, 65952), (404, 49464), (432, 46258), (458, 43632), (606, 32976), (687, 29088), (808, 24732), (864, 23129), (909, 21984), (916, 21816), (1212, 16488), (1374, 14544), (1616, 12366), (1818, 10992), (1832, 10908), (2061, 9696), (2424, 8244), (2727, 7328), (2748, 7272), (3232, 6183), (3636, 5496), (3664, 5454), (4122, 4848)]