19648688

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18329}}^1$

素因数の和:18404

約数の個数: 20

約数和(自身を含む): 38639640

約数和(自身を除く): 18990952

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18329, 36658, 73316, 146632, 293264, 1228043, 2456086, 4912172, 9824344, 19648688]

約数ペア:

[(1, 19648688), (2, 9824344), (4, 4912172), (8, 2456086), (16, 1228043), (67, 293264), (134, 146632), (268, 73316), (536, 36658), (1072, 18329)]