19128760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 50155200

約数和(自身を除く): 31026440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1289, 1484, 1855, 2120, 2578, 2968, 3710, 5156, 6445, 7420, 9023, 10312, 12890, 14840, 18046, 25780, 36092, 45115, 51560, 68317, 72184, 90230, 136634, 180460, 273268, 341585, 360920, 478219, 546536, 683170, 956438, 1366340, 1912876, 2391095, 2732680, 3825752, 4782190, 9564380, 19128760]

約数ペア:

[(1, 19128760), (2, 9564380), (4, 4782190), (5, 3825752), (7, 2732680), (8, 2391095), (10, 1912876), (14, 1366340), (20, 956438), (28, 683170), (35, 546536), (40, 478219), (53, 360920), (56, 341585), (70, 273268), (106, 180460), (140, 136634), (212, 90230), (265, 72184), (280, 68317), (371, 51560), (424, 45115), (530, 36092), (742, 25780), (1060, 18046), (1289, 14840), (1484, 12890), (1855, 10312), (2120, 9023), (2578, 7420), (2968, 6445), (3710, 5156)]