18478416

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 52853760

約数和(自身を除く): 34375344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 79, 88, 132, 158, 176, 237, 264, 316, 443, 474, 528, 632, 869, 886, 948, 1264, 1329, 1738, 1772, 1896, 2607, 2658, 3476, 3544, 3792, 4873, 5214, 5316, 6952, 7088, 9746, 10428, 10632, 13904, 14619, 19492, 20856, 21264, 29238, 34997, 38984, 41712, 58476, 69994, 77968, 104991, 116952, 139988, 209982, 233904, 279976, 384967, 419964, 559952, 769934, 839928, 1154901, 1539868, 1679856, 2309802, 3079736, 4619604, 6159472, 9239208, 18478416]

約数ペア:

[(1, 18478416), (2, 9239208), (3, 6159472), (4, 4619604), (6, 3079736), (8, 2309802), (11, 1679856), (12, 1539868), (16, 1154901), (22, 839928), (24, 769934), (33, 559952), (44, 419964), (48, 384967), (66, 279976), (79, 233904), (88, 209982), (132, 139988), (158, 116952), (176, 104991), (237, 77968), (264, 69994), (316, 58476), (443, 41712), (474, 38984), (528, 34997), (632, 29238), (869, 21264), (886, 20856), (948, 19492), (1264, 14619), (1329, 13904), (1738, 10632), (1772, 10428), (1896, 9746), (2607, 7088), (2658, 6952), (3476, 5316), (3544, 5214), (3792, 4873)]