19008475915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1\times {\mathrm{541}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 27104821632

約数和(自身を除く): 8096345717

約数列:

[1, 5, 11, 13, 55, 65, 143, 157, 313, 541, 715, 785, 1565, 1727, 2041, 2705, 3443, 4069, 5951, 7033, 8635, 10205, 17215, 20345, 22451, 29755, 35165, 44759, 49141, 77363, 84937, 112255, 169333, 223795, 245705, 386815, 424685, 540551, 638833, 846665, 934307, 1104181, 1862663, 2201329, 2702755, 3194165, 4671535, 5520905, 7027163, 9313315, 11006645, 12145991, 24214619, 26585281, 35135815, 60729955, 121073095, 132926405, 292438091, 345608653, 1462190455, 1728043265, 3801695183, 19008475915]

約数ペア:

[(1, 19008475915), (5, 3801695183), (11, 1728043265), (13, 1462190455), (55, 345608653), (65, 292438091), (143, 132926405), (157, 121073095), (313, 60729955), (541, 35135815), (715, 26585281), (785, 24214619), (1565, 12145991), (1727, 11006645), (2041, 9313315), (2705, 7027163), (3443, 5520905), (4069, 4671535), (5951, 3194165), (7033, 2702755), (8635, 2201329), (10205, 1862663), (17215, 1104181), (20345, 934307), (22451, 846665), (29755, 638833), (35165, 540551), (44759, 424685), (49141, 386815), (77363, 245705), (84937, 223795), (112255, 169333)]