4078498.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 70489440

約数和(自身を除く): 33684730

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1843, 1997, 3686, 3994, 9215, 9985, 18430, 19970, 37943, 75886, 189715, 193709, 379430, 387418, 968545, 1937090, 3680471, 7360942, 18402355, 36804710]

約数ペア:

[(1, 36804710), (2, 18402355), (5, 7360942), (10, 3680471), (19, 1937090), (38, 968545), (95, 387418), (97, 379430), (190, 193709), (194, 189715), (485, 75886), (970, 37943), (1843, 19970), (1997, 18430), (3686, 9985), (3994, 9215)]