19600215

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 32950272

約数和(自身を除く): 13350057

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 691, 915, 1891, 2073, 3455, 5673, 9455, 10365, 21421, 28365, 42151, 64263, 107105, 126453, 210755, 321315, 632265, 1306681, 3920043, 6533405, 19600215]

約数ペア:

[(1, 19600215), (3, 6533405), (5, 3920043), (15, 1306681), (31, 632265), (61, 321315), (93, 210755), (155, 126453), (183, 107105), (305, 64263), (465, 42151), (691, 28365), (915, 21421), (1891, 10365), (2073, 9455), (3455, 5673)]