19958908038

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1\times {\mathrm{2477}}^1$

素因数の和:3097

約数の個数: 64

約数和(自身を含む): 42603599808

約数和(自身を除く): 22644691770

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 197, 394, 401, 591, 802, 1182, 1203, 2406, 2477, 3349, 4954, 6698, 6817, 7431, 10047, 13634, 14862, 20094, 20451, 40902, 42109, 78997, 84218, 126327, 157994, 236991, 252654, 473982, 487969, 975938, 993277, 1342949, 1463907, 1986554, 2685898, 2927814, 2979831, 4028847, 5959662, 8057694, 8295473, 16590946, 16885709, 24886419, 33771418, 49772838, 50657127, 101314254, 195675569, 391351138, 587026707, 1174053414, 3326484673, 6652969346, 9979454019, 19958908038]

約数ペア:

[(1, 19958908038), (2, 9979454019), (3, 6652969346), (6, 3326484673), (17, 1174053414), (34, 587026707), (51, 391351138), (102, 195675569), (197, 101314254), (394, 50657127), (401, 49772838), (591, 33771418), (802, 24886419), (1182, 16885709), (1203, 16590946), (2406, 8295473), (2477, 8057694), (3349, 5959662), (4954, 4028847), (6698, 2979831), (6817, 2927814), (7431, 2685898), (10047, 1986554), (13634, 1463907), (14862, 1342949), (20094, 993277), (20451, 975938), (40902, 487969), (42109, 473982), (78997, 252654), (84218, 236991), (126327, 157994)]