19123440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11383}}^1$

素因数の和:11406

約数の個数: 80

約数和(自身を含む): 67757568

約数和(自身を除く): 48634128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11383, 22766, 34149, 45532, 56915, 68298, 79681, 91064, 113830, 136596, 159362, 170745, 182128, 227660, 239043, 273192, 318724, 341490, 398405, 455320, 478086, 546384, 637448, 682980, 796810, 910640, 956172, 1195215, 1274896, 1365960, 1593620, 1912344, 2390430, 2731920, 3187240, 3824688, 4780860, 6374480, 9561720, 19123440]

約数ペア:

[(1, 19123440), (2, 9561720), (3, 6374480), (4, 4780860), (5, 3824688), (6, 3187240), (7, 2731920), (8, 2390430), (10, 1912344), (12, 1593620), (14, 1365960), (15, 1274896), (16, 1195215), (20, 956172), (21, 910640), (24, 796810), (28, 682980), (30, 637448), (35, 546384), (40, 478086), (42, 455320), (48, 398405), (56, 341490), (60, 318724), (70, 273192), (80, 239043), (84, 227660), (105, 182128), (112, 170745), (120, 159362), (140, 136596), (168, 113830), (210, 91064), (240, 79681), (280, 68298), (336, 56915), (420, 45532), (560, 34149), (840, 22766), (1680, 11383)]