18415085

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 26703360

約数和(自身を除く): 8288275

約数列:

[1, 5, 13, 19, 31, 37, 65, 95, 155, 169, 185, 247, 403, 481, 589, 703, 845, 1147, 1235, 2015, 2405, 2945, 3211, 3515, 5239, 5735, 6253, 7657, 9139, 14911, 16055, 21793, 26195, 31265, 38285, 45695, 74555, 99541, 108965, 118807, 193843, 283309, 497705, 594035, 969215, 1416545, 3683017, 18415085]

約数ペア:

[(1, 18415085), (5, 3683017), (13, 1416545), (19, 969215), (31, 594035), (37, 497705), (65, 283309), (95, 193843), (155, 118807), (169, 108965), (185, 99541), (247, 74555), (403, 45695), (481, 38285), (589, 31265), (703, 26195), (845, 21793), (1147, 16055), (1235, 14911), (2015, 9139), (2405, 7657), (2945, 6253), (3211, 5735), (3515, 5239)]