19563388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19801}}^1$

素因数の和:19837

約数の個数: 24

約数和(自身を含む): 38811920

約数和(自身を除く): 19248532

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 19801, 39602, 79204, 257413, 376219, 514826, 752438, 1029652, 1504876, 4890847, 9781694, 19563388]

約数ペア:

[(1, 19563388), (2, 9781694), (4, 4890847), (13, 1504876), (19, 1029652), (26, 752438), (38, 514826), (52, 376219), (76, 257413), (247, 79204), (494, 39602), (988, 19801)]