19859145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 34380288

約数和(自身を除く): 14521143

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 1657, 2397, 3995, 4971, 8285, 11985, 24855, 28169, 77879, 84507, 140845, 233637, 389395, 422535, 1168185, 1323943, 3971829, 6619715, 19859145]

約数ペア:

[(1, 19859145), (3, 6619715), (5, 3971829), (15, 1323943), (17, 1168185), (47, 422535), (51, 389395), (85, 233637), (141, 140845), (235, 84507), (255, 77879), (705, 28169), (799, 24855), (1657, 11985), (2397, 8285), (3995, 4971)]