19502470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3659}}^1$

素因数の和:3720

約数の個数: 32

約数和(自身を含む): 38737440

約数和(自身を除く): 19234970

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3659, 5330, 7318, 18295, 36590, 47567, 95134, 150019, 237835, 300038, 475670, 750095, 1500190, 1950247, 3900494, 9751235, 19502470]

約数ペア:

[(1, 19502470), (2, 9751235), (5, 3900494), (10, 1950247), (13, 1500190), (26, 750095), (41, 475670), (65, 300038), (82, 237835), (130, 150019), (205, 95134), (410, 47567), (533, 36590), (1066, 18295), (2665, 7318), (3659, 5330)]