19651424

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 42180768

約数和(自身を除く): 22529344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 97, 104, 194, 208, 388, 416, 487, 776, 974, 1261, 1552, 1948, 2522, 3104, 3896, 5044, 6331, 7792, 10088, 12662, 15584, 20176, 25324, 40352, 47239, 50648, 94478, 101296, 188956, 202592, 377912, 614107, 755824, 1228214, 1511648, 2456428, 4912856, 9825712, 19651424]

約数ペア:

[(1, 19651424), (2, 9825712), (4, 4912856), (8, 2456428), (13, 1511648), (16, 1228214), (26, 755824), (32, 614107), (52, 377912), (97, 202592), (104, 188956), (194, 101296), (208, 94478), (388, 50648), (416, 47239), (487, 40352), (776, 25324), (974, 20176), (1261, 15584), (1552, 12662), (1948, 10088), (2522, 7792), (3104, 6331), (3896, 5044)]