19865778

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20958222

約数列:

[1, 2, 3, 6, 53, 106, 159, 179, 318, 349, 358, 537, 698, 1047, 1074, 2094, 9487, 18497, 18974, 28461, 36994, 55491, 56922, 62471, 110982, 124942, 187413, 374826, 3310963, 6621926, 9932889, 19865778]

約数ペア:

[(1, 19865778), (2, 9932889), (3, 6621926), (6, 3310963), (53, 374826), (106, 187413), (159, 124942), (179, 110982), (318, 62471), (349, 56922), (358, 55491), (537, 36994), (698, 28461), (1047, 18974), (1074, 18497), (2094, 9487)]