19991424

素因数分解:

$2^7\times 3^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 53856000

約数和(自身を除く): 33864576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 158, 192, 237, 316, 384, 474, 632, 659, 948, 1264, 1318, 1896, 1977, 2528, 2636, 3792, 3954, 5056, 5272, 7584, 7908, 10112, 10544, 15168, 15816, 21088, 30336, 31632, 42176, 52061, 63264, 84352, 104122, 126528, 156183, 208244, 253056, 312366, 416488, 624732, 832976, 1249464, 1665952, 2498928, 3331904, 4997856, 6663808, 9995712, 19991424]

約数ペア:

[(1, 19991424), (2, 9995712), (3, 6663808), (4, 4997856), (6, 3331904), (8, 2498928), (12, 1665952), (16, 1249464), (24, 832976), (32, 624732), (48, 416488), (64, 312366), (79, 253056), (96, 208244), (128, 156183), (158, 126528), (192, 104122), (237, 84352), (316, 63264), (384, 52061), (474, 42176), (632, 31632), (659, 30336), (948, 21088), (1264, 15816), (1318, 15168), (1896, 10544), (1977, 10112), (2528, 7908), (2636, 7584), (3792, 5272), (3954, 5056)]