19725066851

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1\times {\mathrm{907}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 23535360000

約数和(自身を除く): 3810293149

約数列:

[1, 7, 29, 149, 203, 719, 907, 1043, 4321, 5033, 6349, 20851, 26303, 30247, 107131, 135143, 145957, 184121, 652133, 749917, 946001, 3106799, 3919147, 4564931, 18911857, 21747593, 27434029, 97167817, 132382999, 680174719, 2817866693, 19725066851]

約数ペア:

[(1, 19725066851), (7, 2817866693), (29, 680174719), (149, 132382999), (203, 97167817), (719, 27434029), (907, 21747593), (1043, 18911857), (4321, 4564931), (5033, 3919147), (6349, 3106799), (20851, 946001), (26303, 749917), (30247, 652133), (107131, 184121), (135143, 145957)]