19939824

素因数分解:

$2^4\times 3^3\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:575

約数の個数: 80

約数和(自身を含む): 57927840

約数和(自身を除く): 37988016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 101, 108, 144, 202, 216, 303, 404, 432, 457, 606, 808, 909, 914, 1212, 1371, 1616, 1818, 1828, 2424, 2727, 2742, 3636, 3656, 4113, 4848, 5454, 5484, 7272, 7312, 8226, 10908, 10968, 12339, 14544, 16452, 21816, 21936, 24678, 32904, 43632, 46157, 49356, 65808, 92314, 98712, 138471, 184628, 197424, 276942, 369256, 415413, 553884, 738512, 830826, 1107768, 1246239, 1661652, 2215536, 2492478, 3323304, 4984956, 6646608, 9969912, 19939824]

約数ペア:

[(1, 19939824), (2, 9969912), (3, 6646608), (4, 4984956), (6, 3323304), (8, 2492478), (9, 2215536), (12, 1661652), (16, 1246239), (18, 1107768), (24, 830826), (27, 738512), (36, 553884), (48, 415413), (54, 369256), (72, 276942), (101, 197424), (108, 184628), (144, 138471), (202, 98712), (216, 92314), (303, 65808), (404, 49356), (432, 46157), (457, 43632), (606, 32904), (808, 24678), (909, 21936), (914, 21816), (1212, 16452), (1371, 14544), (1616, 12339), (1818, 10968), (1828, 10908), (2424, 8226), (2727, 7312), (2742, 7272), (3636, 5484), (3656, 5454), (4113, 4848)]