19311435

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3001}}^1$

素因数の和:3036

約数の個数: 48

約数和(自身を含む): 39338208

約数和(自身を除く): 20026773

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 3001, 6435, 9003, 15005, 27009, 33011, 39013, 45015, 99033, 117039, 135045, 165055, 195065, 297099, 351117, 429143, 495165, 585195, 1287429, 1485495, 1755585, 2145715, 3862287, 6437145, 19311435]

約数ペア:

[(1, 19311435), (3, 6437145), (5, 3862287), (9, 2145715), (11, 1755585), (13, 1485495), (15, 1287429), (33, 585195), (39, 495165), (45, 429143), (55, 351117), (65, 297099), (99, 195065), (117, 165055), (143, 135045), (165, 117039), (195, 99033), (429, 45015), (495, 39013), (585, 33011), (715, 27009), (1287, 15005), (2145, 9003), (3001, 6435)]