19384976

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 60

約数和(自身を含む): 41662512

約数和(自身を除く): 22277536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 107, 134, 169, 208, 214, 268, 338, 428, 536, 676, 856, 871, 1072, 1352, 1391, 1712, 1742, 2704, 2782, 3484, 5564, 6968, 7169, 11128, 11323, 13936, 14338, 18083, 22256, 22646, 28676, 36166, 45292, 57352, 72332, 90584, 93197, 114704, 144664, 181168, 186394, 289328, 372788, 745576, 1211561, 1491152, 2423122, 4846244, 9692488, 19384976]

約数ペア:

[(1, 19384976), (2, 9692488), (4, 4846244), (8, 2423122), (13, 1491152), (16, 1211561), (26, 745576), (52, 372788), (67, 289328), (104, 186394), (107, 181168), (134, 144664), (169, 114704), (208, 93197), (214, 90584), (268, 72332), (338, 57352), (428, 45292), (536, 36166), (676, 28676), (856, 22646), (871, 22256), (1072, 18083), (1352, 14338), (1391, 13936), (1712, 11323), (1742, 11128), (2704, 7169), (2782, 6968), (3484, 5564)]