19195415

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 25681920

約数和(自身を除く): 6486505

約数列:

[1, 5, 19, 37, 43, 95, 127, 185, 215, 635, 703, 817, 1591, 2413, 3515, 4085, 4699, 5461, 7955, 12065, 23495, 27305, 30229, 89281, 103759, 151145, 202057, 446405, 518795, 1010285, 3839083, 19195415]

約数ペア:

[(1, 19195415), (5, 3839083), (19, 1010285), (37, 518795), (43, 446405), (95, 202057), (127, 151145), (185, 103759), (215, 89281), (635, 30229), (703, 27305), (817, 23495), (1591, 12065), (2413, 7955), (3515, 5461), (4085, 4699)]