19020515

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 24480384

約数和(自身を除く): 5459869

約数列:

[1, 5, 31, 41, 73, 155, 205, 365, 1271, 1681, 2263, 2993, 6355, 8405, 11315, 14965, 52111, 92783, 122713, 260555, 463915, 613565, 3804103, 19020515]

約数ペア:

[(1, 19020515), (5, 3804103), (31, 613565), (41, 463915), (73, 260555), (155, 122713), (205, 92783), (365, 52111), (1271, 14965), (1681, 11315), (2263, 8405), (2993, 6355)]