19479456

素因数分解:

$2^5\times 3^2\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:538

約数の個数: 72

約数和(自身を含む): 55823040

約数和(自身を除く): 36343584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 239, 283, 288, 478, 566, 717, 849, 956, 1132, 1434, 1698, 1912, 2151, 2264, 2547, 2868, 3396, 3824, 4302, 4528, 5094, 5736, 6792, 7648, 8604, 9056, 10188, 11472, 13584, 17208, 20376, 22944, 27168, 34416, 40752, 67637, 68832, 81504, 135274, 202911, 270548, 405822, 541096, 608733, 811644, 1082192, 1217466, 1623288, 2164384, 2434932, 3246576, 4869864, 6493152, 9739728, 19479456]

約数ペア:

[(1, 19479456), (2, 9739728), (3, 6493152), (4, 4869864), (6, 3246576), (8, 2434932), (9, 2164384), (12, 1623288), (16, 1217466), (18, 1082192), (24, 811644), (32, 608733), (36, 541096), (48, 405822), (72, 270548), (96, 202911), (144, 135274), (239, 81504), (283, 68832), (288, 67637), (478, 40752), (566, 34416), (717, 27168), (849, 22944), (956, 20376), (1132, 17208), (1434, 13584), (1698, 11472), (1912, 10188), (2151, 9056), (2264, 8604), (2547, 7648), (2868, 6792), (3396, 5736), (3824, 5094), (4302, 4528)]