18834851529

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:987

約数の個数: 96

約数和(自身を含む): 30895248384

約数和(自身を除く): 12060396855

約数列:

[1, 3, 9, 13, 39, 43, 67, 71, 117, 129, 201, 213, 387, 559, 603, 639, 787, 871, 923, 1677, 2361, 2613, 2769, 2881, 3053, 4757, 5031, 7083, 7839, 8307, 8643, 9159, 10231, 14271, 25929, 27477, 30693, 33841, 37453, 39689, 42813, 52729, 55877, 61841, 92079, 101523, 112359, 119067, 158187, 167631, 185523, 204551, 304569, 337077, 357201, 439933, 474561, 502893, 556569, 613653, 685477, 726401, 1319799, 1840959, 2056431, 2179203, 2267347, 2402711, 2659163, 3743759, 3959397, 6169293, 6537609, 6802041, 7208133, 7977489, 11231277, 20406123, 21624399, 23932467, 29475511, 31235243, 33693831, 48668867, 88426533, 93705729, 146006601, 160981637, 265279599, 281117187, 438019803, 482944911, 1448834733, 2092761281, 6278283843, 18834851529]

約数ペア:

[(1, 18834851529), (3, 6278283843), (9, 2092761281), (13, 1448834733), (39, 482944911), (43, 438019803), (67, 281117187), (71, 265279599), (117, 160981637), (129, 146006601), (201, 93705729), (213, 88426533), (387, 48668867), (559, 33693831), (603, 31235243), (639, 29475511), (787, 23932467), (871, 21624399), (923, 20406123), (1677, 11231277), (2361, 7977489), (2613, 7208133), (2769, 6802041), (2881, 6537609), (3053, 6169293), (4757, 3959397), (5031, 3743759), (7083, 2659163), (7839, 2402711), (8307, 2267347), (8643, 2179203), (9159, 2056431), (10231, 1840959), (14271, 1319799), (25929, 726401), (27477, 685477), (30693, 613653), (33841, 556569), (37453, 502893), (39689, 474561), (42813, 439933), (52729, 357201), (55877, 337077), (61841, 304569), (92079, 204551), (101523, 185523), (112359, 167631), (119067, 158187)]