18922680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2503}}^1$

素因数の和:2530

約数の個数: 128

約数和(自身を含む): 72115200

約数和(自身を除く): 53192520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2503, 2520, 3780, 5006, 7509, 7560, 10012, 12515, 15018, 17521, 20024, 22527, 25030, 30036, 35042, 37545, 45054, 50060, 52563, 60072, 67581, 70084, 75090, 87605, 90108, 100120, 105126, 112635, 135162, 140168, 150180, 157689, 175210, 180216, 210252, 225270, 262815, 270324, 300360, 315378, 337905, 350420, 420504, 450540, 473067, 525630, 540648, 630756, 675810, 700840, 788445, 901080, 946134, 1051260, 1261512, 1351620, 1576890, 1892268, 2102520, 2365335, 2703240, 3153780, 3784536, 4730670, 6307560, 9461340, 18922680]

約数ペア:

[(1, 18922680), (2, 9461340), (3, 6307560), (4, 4730670), (5, 3784536), (6, 3153780), (7, 2703240), (8, 2365335), (9, 2102520), (10, 1892268), (12, 1576890), (14, 1351620), (15, 1261512), (18, 1051260), (20, 946134), (21, 901080), (24, 788445), (27, 700840), (28, 675810), (30, 630756), (35, 540648), (36, 525630), (40, 473067), (42, 450540), (45, 420504), (54, 350420), (56, 337905), (60, 315378), (63, 300360), (70, 270324), (72, 262815), (84, 225270), (90, 210252), (105, 180216), (108, 175210), (120, 157689), (126, 150180), (135, 140168), (140, 135162), (168, 112635), (180, 105126), (189, 100120), (210, 90108), (216, 87605), (252, 75090), (270, 70084), (280, 67581), (315, 60072), (360, 52563), (378, 50060), (420, 45054), (504, 37545), (540, 35042), (630, 30036), (756, 25030), (840, 22527), (945, 20024), (1080, 17521), (1260, 15018), (1512, 12515), (1890, 10012), (2503, 7560), (2520, 7509), (3780, 5006)]