19929744

素因数分解:

$2^4\times 3^2\times {\mathrm{138401}}^1$

素因数の和:138415

約数の個数: 30

約数和(自身を含む): 55776006

約数和(自身を除く): 35846262

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138401, 276802, 415203, 553604, 830406, 1107208, 1245609, 1660812, 2214416, 2491218, 3321624, 4982436, 6643248, 9964872, 19929744]

約数ペア:

[(1, 19929744), (2, 9964872), (3, 6643248), (4, 4982436), (6, 3321624), (8, 2491218), (9, 2214416), (12, 1660812), (16, 1245609), (18, 1107208), (24, 830406), (36, 553604), (48, 415203), (72, 276802), (144, 138401)]