19932615

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 37490400

約数和(自身を除く): 17557785

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 361, 409, 513, 855, 1083, 1227, 1805, 2045, 2565, 3249, 3681, 5415, 6135, 7771, 9747, 11043, 16245, 18405, 23313, 38855, 48735, 55215, 69939, 116565, 147649, 209817, 349695, 442947, 738245, 1049085, 1328841, 2214735, 3986523, 6644205, 19932615]

約数ペア:

[(1, 19932615), (3, 6644205), (5, 3986523), (9, 2214735), (15, 1328841), (19, 1049085), (27, 738245), (45, 442947), (57, 349695), (95, 209817), (135, 147649), (171, 116565), (285, 69939), (361, 55215), (409, 48735), (513, 38855), (855, 23313), (1083, 18405), (1227, 16245), (1805, 11043), (2045, 9747), (2565, 7771), (3249, 6135), (3681, 5415)]