18938116225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 28334186496

約数和(自身を除く): 9396070271

約数列:

[1, 5, 7, 25, 31, 35, 83, 137, 155, 175, 217, 307, 415, 581, 685, 775, 959, 1085, 1535, 2075, 2149, 2573, 2905, 3425, 4247, 4795, 5425, 7675, 9517, 10745, 11371, 12865, 14525, 18011, 21235, 23975, 25481, 29729, 42059, 47585, 53725, 56855, 64325, 66619, 79597, 90055, 106175, 127405, 148645, 178367, 210295, 237925, 284275, 294413, 333095, 352501, 397985, 450275, 637025, 743225, 789911, 891835, 1051475, 1303829, 1472065, 1665475, 1762505, 1989925, 2467507, 3490897, 3949555, 4459175, 5529377, 6519145, 7360325, 8812525, 9126803, 12337535, 17454485, 19747775, 24436279, 27646885, 32595725, 45634015, 61687675, 87272425, 108217807, 122181395, 138234425, 228170075, 541089035, 610906975, 757524649, 2705445175, 3787623245, 18938116225]

約数ペア:

[(1, 18938116225), (5, 3787623245), (7, 2705445175), (25, 757524649), (31, 610906975), (35, 541089035), (83, 228170075), (137, 138234425), (155, 122181395), (175, 108217807), (217, 87272425), (307, 61687675), (415, 45634015), (581, 32595725), (685, 27646885), (775, 24436279), (959, 19747775), (1085, 17454485), (1535, 12337535), (2075, 9126803), (2149, 8812525), (2573, 7360325), (2905, 6519145), (3425, 5529377), (4247, 4459175), (4795, 3949555), (5425, 3490897), (7675, 2467507), (9517, 1989925), (10745, 1762505), (11371, 1665475), (12865, 1472065), (14525, 1303829), (18011, 1051475), (21235, 891835), (23975, 789911), (25481, 743225), (29729, 637025), (42059, 450275), (47585, 397985), (53725, 352501), (56855, 333095), (64325, 294413), (66619, 284275), (79597, 237925), (90055, 210295), (106175, 178367), (127405, 148645)]