19802950

素因数分解:

$2^1\times 5^2\times {\mathrm{601}}^1\times {\mathrm{659}}^1$

素因数の和:1272

約数の個数: 24

約数和(自身を含む): 36950760

約数和(自身を除く): 17147810

約数列:

[1, 2, 5, 10, 25, 50, 601, 659, 1202, 1318, 3005, 3295, 6010, 6590, 15025, 16475, 30050, 32950, 396059, 792118, 1980295, 3960590, 9901475, 19802950]

約数ペア:

[(1, 19802950), (2, 9901475), (5, 3960590), (10, 1980295), (25, 792118), (50, 396059), (601, 32950), (659, 30050), (1202, 16475), (1318, 15025), (3005, 6590), (3295, 6010)]