19935286436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{727459}}^1$

素因数の和:727524

約数の個数: 48

約数和(自身を含む): 41063662080

約数和(自身を除く): 21128375644

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 221, 403, 442, 527, 806, 884, 1054, 1612, 2108, 6851, 13702, 27404, 727459, 1454918, 2909836, 9456967, 12366803, 18913934, 22551229, 24733606, 37827868, 45102458, 49467212, 90204916, 160768439, 293165977, 321536878, 383370893, 586331954, 643073756, 766741786, 1172663908, 1533483572, 4983821609, 9967643218, 19935286436]

約数ペア:

[(1, 19935286436), (2, 9967643218), (4, 4983821609), (13, 1533483572), (17, 1172663908), (26, 766741786), (31, 643073756), (34, 586331954), (52, 383370893), (62, 321536878), (68, 293165977), (124, 160768439), (221, 90204916), (403, 49467212), (442, 45102458), (527, 37827868), (806, 24733606), (884, 22551229), (1054, 18913934), (1612, 12366803), (2108, 9456967), (6851, 2909836), (13702, 1454918), (27404, 727459)]