19936035

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 41583360

約数和(自身を除く): 21647325

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3331, 5985, 9993, 16655, 23317, 29979, 49965, 63289, 69951, 116585, 149895, 189867, 209853, 316445, 349755, 443023, 569601, 949335, 1049265, 1329069, 2215115, 2848005, 3987207, 6645345, 19936035]

約数ペア:

[(1, 19936035), (3, 6645345), (5, 3987207), (7, 2848005), (9, 2215115), (15, 1329069), (19, 1049265), (21, 949335), (35, 569601), (45, 443023), (57, 349755), (63, 316445), (95, 209853), (105, 189867), (133, 149895), (171, 116585), (285, 69951), (315, 63289), (399, 49965), (665, 29979), (855, 23317), (1197, 16655), (1995, 9993), (3331, 5985)]