19805888

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{5839}}^1$

素因数の和:5904

約数の個数: 28

約数和(自身を含む): 40050720

約数和(自身を除く): 20244832

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 212, 424, 848, 1696, 3392, 5839, 11678, 23356, 46712, 93424, 186848, 309467, 373696, 618934, 1237868, 2475736, 4951472, 9902944, 19805888]

約数ペア:

[(1, 19805888), (2, 9902944), (4, 4951472), (8, 2475736), (16, 1237868), (32, 618934), (53, 373696), (64, 309467), (106, 186848), (212, 93424), (424, 46712), (848, 23356), (1696, 11678), (3392, 5839)]