18729935

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8641585

約数列:

[1, 5, 7, 23, 35, 53, 115, 161, 265, 371, 439, 805, 1219, 1855, 2195, 3073, 6095, 8533, 10097, 15365, 23267, 42665, 50485, 70679, 116335, 162869, 353395, 535141, 814345, 2675705, 3745987, 18729935]

約数ペア:

[(1, 18729935), (5, 3745987), (7, 2675705), (23, 814345), (35, 535141), (53, 353395), (115, 162869), (161, 116335), (265, 70679), (371, 50485), (439, 42665), (805, 23267), (1219, 15365), (1855, 10097), (2195, 8533), (3073, 6095)]