18814896

素因数分解:

$2^4\times 3^3\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:563

約数の個数: 80

約数和(自身を含む): 54684000

約数和(自身を除く): 35869104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 97, 108, 144, 194, 216, 291, 388, 432, 449, 582, 776, 873, 898, 1164, 1347, 1552, 1746, 1796, 2328, 2619, 2694, 3492, 3592, 4041, 4656, 5238, 5388, 6984, 7184, 8082, 10476, 10776, 12123, 13968, 16164, 20952, 21552, 24246, 32328, 41904, 43553, 48492, 64656, 87106, 96984, 130659, 174212, 193968, 261318, 348424, 391977, 522636, 696848, 783954, 1045272, 1175931, 1567908, 2090544, 2351862, 3135816, 4703724, 6271632, 9407448, 18814896]

約数ペア:

[(1, 18814896), (2, 9407448), (3, 6271632), (4, 4703724), (6, 3135816), (8, 2351862), (9, 2090544), (12, 1567908), (16, 1175931), (18, 1045272), (24, 783954), (27, 696848), (36, 522636), (48, 391977), (54, 348424), (72, 261318), (97, 193968), (108, 174212), (144, 130659), (194, 96984), (216, 87106), (291, 64656), (388, 48492), (432, 43553), (449, 41904), (582, 32328), (776, 24246), (873, 21552), (898, 20952), (1164, 16164), (1347, 13968), (1552, 12123), (1746, 10776), (1796, 10476), (2328, 8082), (2619, 7184), (2694, 6984), (3492, 5388), (3592, 5238), (4041, 4656)]