18717502454

素因数分解:

$2^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{1297}}^1$

素因数の和:1622

約数の個数: 64

約数和(自身を含む): 33239184000

約数和(自身を除く): 14521681546

約数列:

[1, 2, 7, 14, 49, 98, 109, 193, 218, 343, 386, 686, 763, 1297, 1351, 1526, 2594, 2702, 5341, 9079, 9457, 10682, 18158, 18914, 21037, 37387, 42074, 63553, 66199, 74774, 127106, 132398, 141373, 147259, 250321, 282746, 294518, 444871, 500642, 889742, 989611, 1030813, 1752247, 1979222, 2061626, 3504494, 6927277, 7215691, 12265729, 13854554, 14431382, 24531458, 27284989, 48490939, 54569978, 85860103, 96981878, 171720206, 190994923, 381989846, 1336964461, 2673928922, 9358751227, 18717502454]

約数ペア:

[(1, 18717502454), (2, 9358751227), (7, 2673928922), (14, 1336964461), (49, 381989846), (98, 190994923), (109, 171720206), (193, 96981878), (218, 85860103), (343, 54569978), (386, 48490939), (686, 27284989), (763, 24531458), (1297, 14431382), (1351, 13854554), (1526, 12265729), (2594, 7215691), (2702, 6927277), (5341, 3504494), (9079, 2061626), (9457, 1979222), (10682, 1752247), (18158, 1030813), (18914, 989611), (21037, 889742), (37387, 500642), (42074, 444871), (63553, 294518), (66199, 282746), (74774, 250321), (127106, 147259), (132398, 141373)]