20194889218

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{72901}}^1$

素因数の和:73378

約数の個数: 32

約数和(自身を含む): 35440869888

約数和(自身を除く): 15245980670

約数列:

[1, 2, 7, 14, 47, 94, 329, 421, 658, 842, 2947, 5894, 19787, 39574, 72901, 138509, 145802, 277018, 510307, 1020614, 3426347, 6852694, 23984429, 30691321, 47968858, 61382642, 214839247, 429678494, 1442492087, 2884984174, 10097444609, 20194889218]

約数ペア:

[(1, 20194889218), (2, 10097444609), (7, 2884984174), (14, 1442492087), (47, 429678494), (94, 214839247), (329, 61382642), (421, 47968858), (658, 30691321), (842, 23984429), (2947, 6852694), (5894, 3426347), (19787, 1020614), (39574, 510307), (72901, 277018), (138509, 145802)]