19640628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1397

約数の個数: 72

約数和(自身を含む): 57744960

約数和(自身を除く): 38104332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 118, 126, 177, 236, 252, 354, 413, 531, 708, 826, 1062, 1239, 1321, 1652, 2124, 2478, 2642, 3717, 3963, 4956, 5284, 7434, 7926, 9247, 11889, 14868, 15852, 18494, 23778, 27741, 36988, 47556, 55482, 77939, 83223, 110964, 155878, 166446, 233817, 311756, 332892, 467634, 545573, 701451, 935268, 1091146, 1402902, 1636719, 2182292, 2805804, 3273438, 4910157, 6546876, 9820314, 19640628]

約数ペア:

[(1, 19640628), (2, 9820314), (3, 6546876), (4, 4910157), (6, 3273438), (7, 2805804), (9, 2182292), (12, 1636719), (14, 1402902), (18, 1091146), (21, 935268), (28, 701451), (36, 545573), (42, 467634), (59, 332892), (63, 311756), (84, 233817), (118, 166446), (126, 155878), (177, 110964), (236, 83223), (252, 77939), (354, 55482), (413, 47556), (531, 36988), (708, 27741), (826, 23778), (1062, 18494), (1239, 15852), (1321, 14868), (1652, 11889), (2124, 9247), (2478, 7926), (2642, 7434), (3717, 5284), (3963, 4956)]