19444209

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 28263648

約数和(自身を除く): 8819439

約数列:

[1, 3, 17, 41, 51, 123, 289, 547, 697, 867, 1641, 2091, 9299, 11849, 22427, 27897, 35547, 67281, 158083, 381259, 474249, 1143777, 6481403, 19444209]

約数ペア:

[(1, 19444209), (3, 6481403), (17, 1143777), (41, 474249), (51, 381259), (123, 158083), (289, 67281), (547, 35547), (697, 27897), (867, 22427), (1641, 11849), (2091, 9299)]