19288935

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 35004816

約数和(自身を除く): 15715881

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 405, 485, 491, 873, 1455, 1473, 2455, 2619, 4365, 4419, 7365, 7857, 13095, 13257, 22095, 39285, 39771, 47627, 66285, 142881, 198855, 238135, 428643, 714405, 1285929, 2143215, 3857787, 6429645, 19288935]

約数ペア:

[(1, 19288935), (3, 6429645), (5, 3857787), (9, 2143215), (15, 1285929), (27, 714405), (45, 428643), (81, 238135), (97, 198855), (135, 142881), (291, 66285), (405, 47627), (485, 39771), (491, 39285), (873, 22095), (1455, 13257), (1473, 13095), (2455, 7857), (2619, 7365), (4365, 4419)]