18371860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3719}}^1$

素因数の和:3760

約数の個数: 48

約数和(自身を含む): 43747200

約数和(自身を除く): 25375340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3719, 4940, 7438, 14876, 18595, 37190, 48347, 70661, 74380, 96694, 141322, 193388, 241735, 282644, 353305, 483470, 706610, 918593, 966940, 1413220, 1837186, 3674372, 4592965, 9185930, 18371860]

約数ペア:

[(1, 18371860), (2, 9185930), (4, 4592965), (5, 3674372), (10, 1837186), (13, 1413220), (19, 966940), (20, 918593), (26, 706610), (38, 483470), (52, 353305), (65, 282644), (76, 241735), (95, 193388), (130, 141322), (190, 96694), (247, 74380), (260, 70661), (380, 48347), (494, 37190), (988, 18595), (1235, 14876), (2470, 7438), (3719, 4940)]