19721616

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{3989}}^1$

素因数の和:4103

約数の個数: 40

約数和(自身を含む): 51455040

約数和(自身を除く): 31733424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 3989, 4944, 7978, 11967, 15956, 23934, 31912, 47868, 63824, 95736, 191472, 410867, 821734, 1232601, 1643468, 2465202, 3286936, 4930404, 6573872, 9860808, 19721616]

約数ペア:

[(1, 19721616), (2, 9860808), (3, 6573872), (4, 4930404), (6, 3286936), (8, 2465202), (12, 1643468), (16, 1232601), (24, 821734), (48, 410867), (103, 191472), (206, 95736), (309, 63824), (412, 47868), (618, 31912), (824, 23934), (1236, 15956), (1648, 11967), (2472, 7978), (3989, 4944)]