18865560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 66539520

約数和(自身を除く): 47673960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 607, 740, 777, 840, 888, 1036, 1110, 1214, 1295, 1480, 1554, 1821, 2072, 2220, 2428, 2590, 3035, 3108, 3642, 3885, 4249, 4440, 4856, 5180, 6070, 6216, 7284, 7770, 8498, 9105, 10360, 12140, 12747, 14568, 15540, 16996, 18210, 21245, 22459, 24280, 25494, 31080, 33992, 36420, 42490, 44918, 50988, 63735, 67377, 72840, 84980, 89836, 101976, 112295, 127470, 134754, 157213, 169960, 179672, 224590, 254940, 269508, 314426, 336885, 449180, 471639, 509880, 539016, 628852, 673770, 786065, 898360, 943278, 1257704, 1347540, 1572130, 1886556, 2358195, 2695080, 3144260, 3773112, 4716390, 6288520, 9432780, 18865560]

約数ペア:

[(1, 18865560), (2, 9432780), (3, 6288520), (4, 4716390), (5, 3773112), (6, 3144260), (7, 2695080), (8, 2358195), (10, 1886556), (12, 1572130), (14, 1347540), (15, 1257704), (20, 943278), (21, 898360), (24, 786065), (28, 673770), (30, 628852), (35, 539016), (37, 509880), (40, 471639), (42, 449180), (56, 336885), (60, 314426), (70, 269508), (74, 254940), (84, 224590), (105, 179672), (111, 169960), (120, 157213), (140, 134754), (148, 127470), (168, 112295), (185, 101976), (210, 89836), (222, 84980), (259, 72840), (280, 67377), (296, 63735), (370, 50988), (420, 44918), (444, 42490), (518, 36420), (555, 33992), (607, 31080), (740, 25494), (777, 24280), (840, 22459), (888, 21245), (1036, 18210), (1110, 16996), (1214, 15540), (1295, 14568), (1480, 12747), (1554, 12140), (1821, 10360), (2072, 9105), (2220, 8498), (2428, 7770), (2590, 7284), (3035, 6216), (3108, 6070), (3642, 5180), (3885, 4856), (4249, 4440)]