18969470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3559}}^1$

素因数の和:3620

約数の個数: 32

約数和(自身を含む): 37679040

約数和(自身を除く): 18709570

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3559, 5330, 7118, 17795, 35590, 46267, 92534, 145919, 231335, 291838, 462670, 729595, 1459190, 1896947, 3793894, 9484735, 18969470]

約数ペア:

[(1, 18969470), (2, 9484735), (5, 3793894), (10, 1896947), (13, 1459190), (26, 729595), (41, 462670), (65, 291838), (82, 231335), (130, 145919), (205, 92534), (410, 46267), (533, 35590), (1066, 17795), (2665, 7118), (3559, 5330)]