19764992

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{5939}}^1$

素因数の和:5968

約数の個数: 36

約数和(自身を含む): 42494760

約数和(自身を除く): 22729768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 5939, 11878, 23756, 47512, 77207, 95024, 154414, 190048, 308828, 380096, 617656, 760192, 1235312, 1520384, 2470624, 4941248, 9882496, 19764992]

約数ペア:

[(1, 19764992), (2, 9882496), (4, 4941248), (8, 2470624), (13, 1520384), (16, 1235312), (26, 760192), (32, 617656), (52, 380096), (64, 308828), (104, 190048), (128, 154414), (208, 95024), (256, 77207), (416, 47512), (832, 23756), (1664, 11878), (3328, 5939)]