19778766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6451}}^1$

素因数の和:6536

約数の個数: 32

約数和(自身を含む): 45835008

約数和(自身を除く): 26056242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6451, 12902, 19353, 38706, 45157, 90314, 135471, 270942, 470923, 941846, 1412769, 2825538, 3296461, 6592922, 9889383, 19778766]

約数ペア:

[(1, 19778766), (2, 9889383), (3, 6592922), (6, 3296461), (7, 2825538), (14, 1412769), (21, 941846), (42, 470923), (73, 270942), (146, 135471), (219, 90314), (438, 45157), (511, 38706), (1022, 19353), (1533, 12902), (3066, 6451)]