19140885

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 35592960

約数和(自身を除く): 16452075

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 367, 549, 855, 915, 1101, 1159, 1835, 2745, 3303, 3477, 5505, 5795, 6973, 10431, 16515, 17385, 20919, 22387, 34865, 52155, 62757, 67161, 104595, 111935, 201483, 313785, 335805, 425353, 1007415, 1276059, 2126765, 3828177, 6380295, 19140885]

約数ペア:

[(1, 19140885), (3, 6380295), (5, 3828177), (9, 2126765), (15, 1276059), (19, 1007415), (45, 425353), (57, 335805), (61, 313785), (95, 201483), (171, 111935), (183, 104595), (285, 67161), (305, 62757), (367, 52155), (549, 34865), (855, 22387), (915, 20919), (1101, 17385), (1159, 16515), (1835, 10431), (2745, 6973), (3303, 5795), (3477, 5505)]