19011265

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 29417472

約数和(自身を除く): 10406207

約数列:

[1, 5, 7, 13, 35, 47, 49, 65, 91, 127, 235, 245, 329, 455, 611, 635, 637, 889, 1645, 1651, 2303, 3055, 3185, 4277, 4445, 5969, 6223, 8255, 11515, 11557, 21385, 29845, 29939, 31115, 41783, 57785, 77597, 80899, 149695, 208915, 292481, 387985, 404495, 543179, 1462405, 2715895, 3802253, 19011265]

約数ペア:

[(1, 19011265), (5, 3802253), (7, 2715895), (13, 1462405), (35, 543179), (47, 404495), (49, 387985), (65, 292481), (91, 208915), (127, 149695), (235, 80899), (245, 77597), (329, 57785), (455, 41783), (611, 31115), (635, 29939), (637, 29845), (889, 21385), (1645, 11557), (1651, 11515), (2303, 8255), (3055, 6223), (3185, 5969), (4277, 4445)]