18829555

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 6053645

約数列:

[1, 5, 29, 31, 59, 71, 145, 155, 295, 355, 899, 1711, 1829, 2059, 2201, 4189, 4495, 8555, 9145, 10295, 11005, 20945, 53041, 63829, 121481, 129859, 265205, 319145, 607405, 649295, 3765911, 18829555]

約数ペア:

[(1, 18829555), (5, 3765911), (29, 649295), (31, 607405), (59, 319145), (71, 265205), (145, 129859), (155, 121481), (295, 63829), (355, 53041), (899, 20945), (1711, 11005), (1829, 10295), (2059, 9145), (2201, 8555), (4189, 4495)]