19019936

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3517}}^1$

素因数の和:3553

約数の個数: 36

約数和(自身を含む): 40559022

約数和(自身を除く): 21539086

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3517, 5408, 7034, 14068, 28136, 45721, 56272, 91442, 112544, 182884, 365768, 594373, 731536, 1188746, 1463072, 2377492, 4754984, 9509968, 19019936]

約数ペア:

[(1, 19019936), (2, 9509968), (4, 4754984), (8, 2377492), (13, 1463072), (16, 1188746), (26, 731536), (32, 594373), (52, 365768), (104, 182884), (169, 112544), (208, 91442), (338, 56272), (416, 45721), (676, 28136), (1352, 14068), (2704, 7034), (3517, 5408)]