19651491

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{113}}^2$

素因数の和:257

約数の個数: 30

約数和(自身を含む): 31176860

約数和(自身を除く): 11525369

約数列:

[1, 3, 9, 19, 27, 57, 81, 113, 171, 339, 513, 1017, 1539, 2147, 3051, 6441, 9153, 12769, 19323, 38307, 57969, 114921, 173907, 242611, 344763, 727833, 1034289, 2183499, 6550497, 19651491]

約数ペア:

[(1, 19651491), (3, 6550497), (9, 2183499), (19, 1034289), (27, 727833), (57, 344763), (81, 242611), (113, 173907), (171, 114921), (339, 57969), (513, 38307), (1017, 19323), (1539, 12769), (2147, 9153), (3051, 6441)]