19669490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 16920910

約数列:

[1, 2, 5, 10, 43, 86, 149, 215, 298, 307, 430, 614, 745, 1490, 1535, 3070, 6407, 12814, 13201, 26402, 32035, 45743, 64070, 66005, 91486, 132010, 228715, 457430, 1966949, 3933898, 9834745, 19669490]

約数ペア:

[(1, 19669490), (2, 9834745), (5, 3933898), (10, 1966949), (43, 457430), (86, 228715), (149, 132010), (215, 91486), (298, 66005), (307, 64070), (430, 45743), (614, 32035), (745, 26402), (1490, 13201), (1535, 12814), (3070, 6407)]