19729476

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42157}}^1$

素因数の和:42180

約数の個数: 36

約数和(自身を含む): 53709292

約数和(自身を除く): 33979816

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42157, 84314, 126471, 168628, 252942, 379413, 505884, 548041, 758826, 1096082, 1517652, 1644123, 2192164, 3288246, 4932369, 6576492, 9864738, 19729476]

約数ペア:

[(1, 19729476), (2, 9864738), (3, 6576492), (4, 4932369), (6, 3288246), (9, 2192164), (12, 1644123), (13, 1517652), (18, 1096082), (26, 758826), (36, 548041), (39, 505884), (52, 379413), (78, 252942), (117, 168628), (156, 126471), (234, 84314), (468, 42157)]