19941642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1567}}^1$

素因数の和:1683

約数の個数: 48

約数和(自身を含む): 49900032

約数和(自身を除く): 29958390

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 101, 126, 202, 303, 606, 707, 909, 1414, 1567, 1818, 2121, 3134, 4242, 4701, 6363, 9402, 10969, 12726, 14103, 21938, 28206, 32907, 65814, 98721, 158267, 197442, 316534, 474801, 949602, 1107869, 1424403, 2215738, 2848806, 3323607, 6647214, 9970821, 19941642]

約数ペア:

[(1, 19941642), (2, 9970821), (3, 6647214), (6, 3323607), (7, 2848806), (9, 2215738), (14, 1424403), (18, 1107869), (21, 949602), (42, 474801), (63, 316534), (101, 197442), (126, 158267), (202, 98721), (303, 65814), (606, 32907), (707, 28206), (909, 21938), (1414, 14103), (1567, 12726), (1818, 10969), (2121, 9402), (3134, 6363), (4242, 4701)]