19803030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50777}}^1$

素因数の和:50800

約数の個数: 32

約数和(自身を含む): 51184224

約数和(自身を除く): 31381194

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50777, 101554, 152331, 253885, 304662, 507770, 660101, 761655, 1320202, 1523310, 1980303, 3300505, 3960606, 6601010, 9901515, 19803030]

約数ペア:

[(1, 19803030), (2, 9901515), (3, 6601010), (5, 3960606), (6, 3300505), (10, 1980303), (13, 1523310), (15, 1320202), (26, 761655), (30, 660101), (39, 507770), (65, 304662), (78, 253885), (130, 152331), (195, 101554), (390, 50777)]