19847895

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 33143040

約数和(自身を除く): 13295145

約数列:

[1, 3, 5, 15, 41, 59, 123, 177, 205, 295, 547, 615, 885, 1641, 2419, 2735, 7257, 8205, 12095, 22427, 32273, 36285, 67281, 96819, 112135, 161365, 336405, 484095, 1323193, 3969579, 6615965, 19847895]

約数ペア:

[(1, 19847895), (3, 6615965), (5, 3969579), (15, 1323193), (41, 484095), (59, 336405), (123, 161365), (177, 112135), (205, 96819), (295, 67281), (547, 36285), (615, 32273), (885, 22427), (1641, 12095), (2419, 8205), (2735, 7257)]