19262691

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:713

約数の個数: 40

約数和(自身を含む): 33558624

約数和(自身を除く): 14295933

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 641, 1113, 1431, 1923, 3339, 4293, 4487, 5769, 10017, 13461, 17307, 30051, 33973, 40383, 51921, 101919, 121149, 237811, 305757, 363447, 713433, 917271, 2140299, 2751813, 6420897, 19262691]

約数ペア:

[(1, 19262691), (3, 6420897), (7, 2751813), (9, 2140299), (21, 917271), (27, 713433), (53, 363447), (63, 305757), (81, 237811), (159, 121149), (189, 101919), (371, 51921), (477, 40383), (567, 33973), (641, 30051), (1113, 17307), (1431, 13461), (1923, 10017), (3339, 5769), (4293, 4487)]