19835530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 42933996

約数和(自身を除く): 23098466

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 97, 110, 121, 130, 143, 169, 194, 242, 286, 338, 485, 605, 715, 845, 970, 1067, 1210, 1261, 1430, 1573, 1690, 1859, 2134, 2522, 3146, 3718, 5335, 6305, 7865, 9295, 10670, 11737, 12610, 13871, 15730, 16393, 18590, 20449, 23474, 27742, 32786, 40898, 58685, 69355, 81965, 102245, 117370, 138710, 152581, 163930, 180323, 204490, 305162, 360646, 762905, 901615, 1525810, 1803230, 1983553, 3967106, 9917765, 19835530]

約数ペア:

[(1, 19835530), (2, 9917765), (5, 3967106), (10, 1983553), (11, 1803230), (13, 1525810), (22, 901615), (26, 762905), (55, 360646), (65, 305162), (97, 204490), (110, 180323), (121, 163930), (130, 152581), (143, 138710), (169, 117370), (194, 102245), (242, 81965), (286, 69355), (338, 58685), (485, 40898), (605, 32786), (715, 27742), (845, 23474), (970, 20449), (1067, 18590), (1210, 16393), (1261, 15730), (1430, 13871), (1573, 12610), (1690, 11737), (1859, 10670), (2134, 9295), (2522, 7865), (3146, 6305), (3718, 5335)]