19838208

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2019

約数の個数: 72

約数和(自身を含む): 56888608

約数和(自身を除く): 37050400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 1987, 2496, 3328, 3974, 4992, 5961, 7948, 9984, 11922, 15896, 23844, 25831, 31792, 47688, 51662, 63584, 77493, 95376, 103324, 127168, 154986, 190752, 206648, 254336, 309972, 381504, 413296, 508672, 619944, 763008, 826592, 1239888, 1526016, 1653184, 2479776, 3306368, 4959552, 6612736, 9919104, 19838208]

約数ペア:

[(1, 19838208), (2, 9919104), (3, 6612736), (4, 4959552), (6, 3306368), (8, 2479776), (12, 1653184), (13, 1526016), (16, 1239888), (24, 826592), (26, 763008), (32, 619944), (39, 508672), (48, 413296), (52, 381504), (64, 309972), (78, 254336), (96, 206648), (104, 190752), (128, 154986), (156, 127168), (192, 103324), (208, 95376), (256, 77493), (312, 63584), (384, 51662), (416, 47688), (624, 31792), (768, 25831), (832, 23844), (1248, 15896), (1664, 11922), (1987, 9984), (2496, 7948), (3328, 5961), (3974, 4992)]