18662085

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 38787840

約数和(自身を除く): 20125755

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 39, 45, 57, 65, 69, 73, 95, 115, 117, 171, 195, 207, 219, 247, 285, 299, 345, 365, 437, 585, 657, 741, 855, 897, 949, 1035, 1095, 1235, 1311, 1387, 1495, 1679, 2185, 2223, 2691, 2847, 3285, 3705, 3933, 4161, 4485, 4745, 5037, 5681, 6555, 6935, 8395, 8541, 11115, 12483, 13455, 14235, 15111, 17043, 18031, 19665, 20805, 21827, 25185, 28405, 31901, 42705, 51129, 54093, 62415, 65481, 75555, 85215, 90155, 95703, 109135, 159505, 162279, 196443, 255645, 270465, 287109, 327405, 414713, 478515, 811395, 982215, 1244139, 1435545, 2073565, 3732417, 6220695, 18662085]

約数ペア:

[(1, 18662085), (3, 6220695), (5, 3732417), (9, 2073565), (13, 1435545), (15, 1244139), (19, 982215), (23, 811395), (39, 478515), (45, 414713), (57, 327405), (65, 287109), (69, 270465), (73, 255645), (95, 196443), (115, 162279), (117, 159505), (171, 109135), (195, 95703), (207, 90155), (219, 85215), (247, 75555), (285, 65481), (299, 62415), (345, 54093), (365, 51129), (437, 42705), (585, 31901), (657, 28405), (741, 25185), (855, 21827), (897, 20805), (949, 19665), (1035, 18031), (1095, 17043), (1235, 15111), (1311, 14235), (1387, 13455), (1495, 12483), (1679, 11115), (2185, 8541), (2223, 8395), (2691, 6935), (2847, 6555), (3285, 5681), (3705, 5037), (3933, 4745), (4161, 4485)]