19963458

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 44553600

約数和(自身を除く): 24590142

約数列:

[1, 2, 3, 6, 9, 18, 79, 101, 139, 158, 202, 237, 278, 303, 417, 474, 606, 711, 834, 909, 1251, 1422, 1818, 2502, 7979, 10981, 14039, 15958, 21962, 23937, 28078, 32943, 42117, 47874, 65886, 71811, 84234, 98829, 126351, 143622, 197658, 252702, 1109081, 2218162, 3327243, 6654486, 9981729, 19963458]

約数ペア:

[(1, 19963458), (2, 9981729), (3, 6654486), (6, 3327243), (9, 2218162), (18, 1109081), (79, 252702), (101, 197658), (139, 143622), (158, 126351), (202, 98829), (237, 84234), (278, 71811), (303, 65886), (417, 47874), (474, 42117), (606, 32943), (711, 28078), (834, 23937), (909, 21962), (1251, 15958), (1422, 14039), (1818, 10981), (2502, 7979)]