19829448

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 56453760

約数和(自身を除く): 36624312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 431, 568, 639, 648, 852, 862, 1278, 1293, 1704, 1724, 1917, 2556, 2586, 3448, 3834, 3879, 5112, 5172, 5751, 7668, 7758, 10344, 11502, 11637, 15336, 15516, 23004, 23274, 30601, 31032, 34911, 46008, 46548, 61202, 69822, 91803, 93096, 122404, 139644, 183606, 244808, 275409, 279288, 367212, 550818, 734424, 826227, 1101636, 1652454, 2203272, 2478681, 3304908, 4957362, 6609816, 9914724, 19829448]

約数ペア:

[(1, 19829448), (2, 9914724), (3, 6609816), (4, 4957362), (6, 3304908), (8, 2478681), (9, 2203272), (12, 1652454), (18, 1101636), (24, 826227), (27, 734424), (36, 550818), (54, 367212), (71, 279288), (72, 275409), (81, 244808), (108, 183606), (142, 139644), (162, 122404), (213, 93096), (216, 91803), (284, 69822), (324, 61202), (426, 46548), (431, 46008), (568, 34911), (639, 31032), (648, 30601), (852, 23274), (862, 23004), (1278, 15516), (1293, 15336), (1704, 11637), (1724, 11502), (1917, 10344), (2556, 7758), (2586, 7668), (3448, 5751), (3834, 5172), (3879, 5112)]