19156916584

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{329519}}^1$

素因数の和:329594

約数の個数: 48

約数和(自身を含む): 39799425600

約数和(自身を除く): 20642509016

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 559, 676, 1118, 1352, 2236, 4472, 7267, 14534, 29068, 58136, 329519, 659038, 1318076, 2636152, 4283747, 8567494, 14169317, 17134988, 28338634, 34269976, 55688711, 56677268, 111377422, 113354536, 184201121, 222754844, 368402242, 445509688, 736804484, 1473608968, 2394614573, 4789229146, 9578458292, 19156916584]

約数ペア:

[(1, 19156916584), (2, 9578458292), (4, 4789229146), (8, 2394614573), (13, 1473608968), (26, 736804484), (43, 445509688), (52, 368402242), (86, 222754844), (104, 184201121), (169, 113354536), (172, 111377422), (338, 56677268), (344, 55688711), (559, 34269976), (676, 28338634), (1118, 17134988), (1352, 14169317), (2236, 8567494), (4472, 4283747), (7267, 2636152), (14534, 1318076), (29068, 659038), (58136, 329519)]