19694826

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2068

約数の個数: 40

約数和(自身を含む): 44876964

約数和(自身を除く): 25182138

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 1993, 3294, 3986, 4941, 5979, 9882, 11958, 17937, 35874, 53811, 107622, 121573, 161433, 243146, 322866, 364719, 729438, 1094157, 2188314, 3282471, 6564942, 9847413, 19694826]

約数ペア:

[(1, 19694826), (2, 9847413), (3, 6564942), (6, 3282471), (9, 2188314), (18, 1094157), (27, 729438), (54, 364719), (61, 322866), (81, 243146), (122, 161433), (162, 121573), (183, 107622), (366, 53811), (549, 35874), (1098, 17937), (1647, 11958), (1993, 9882), (3294, 5979), (3986, 4941)]