18983510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 43932672

約数和(自身を除く): 24949162

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 907, 910, 1495, 1610, 1814, 2093, 2990, 4186, 4535, 6349, 9070, 10465, 11791, 12698, 20861, 20930, 23582, 31745, 41722, 58955, 63490, 82537, 104305, 117910, 146027, 165074, 208610, 271193, 292054, 412685, 542386, 730135, 825370, 1355965, 1460270, 1898351, 2711930, 3796702, 9491755, 18983510]

約数ペア:

[(1, 18983510), (2, 9491755), (5, 3796702), (7, 2711930), (10, 1898351), (13, 1460270), (14, 1355965), (23, 825370), (26, 730135), (35, 542386), (46, 412685), (65, 292054), (70, 271193), (91, 208610), (115, 165074), (130, 146027), (161, 117910), (182, 104305), (230, 82537), (299, 63490), (322, 58955), (455, 41722), (598, 31745), (805, 23582), (907, 20930), (910, 20861), (1495, 12698), (1610, 11791), (1814, 10465), (2093, 9070), (2990, 6349), (4186, 4535)]