19624017

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 12171183

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 359, 399, 411, 959, 1077, 2513, 2603, 2877, 6821, 7539, 7809, 18221, 20463, 47747, 49183, 54663, 143241, 147549, 344281, 934477, 1032843, 2803431, 6541339, 19624017]

約数ペア:

[(1, 19624017), (3, 6541339), (7, 2803431), (19, 1032843), (21, 934477), (57, 344281), (133, 147549), (137, 143241), (359, 54663), (399, 49183), (411, 47747), (959, 20463), (1077, 18221), (2513, 7809), (2603, 7539), (2877, 6821)]