18487000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 52416000

約数和(自身を除く): 33929000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 125, 133, 139, 140, 152, 175, 190, 200, 250, 266, 278, 280, 350, 380, 475, 500, 532, 556, 665, 695, 700, 760, 875, 950, 973, 1000, 1064, 1112, 1330, 1390, 1400, 1750, 1900, 1946, 2375, 2641, 2660, 2780, 3325, 3475, 3500, 3800, 3892, 4750, 4865, 5282, 5320, 5560, 6650, 6950, 7000, 7784, 9500, 9730, 10564, 13205, 13300, 13900, 16625, 17375, 18487, 19000, 19460, 21128, 24325, 26410, 26600, 27800, 33250, 34750, 36974, 38920, 48650, 52820, 66025, 66500, 69500, 73948, 92435, 97300, 105640, 121625, 132050, 133000, 139000, 147896, 184870, 194600, 243250, 264100, 330125, 369740, 462175, 486500, 528200, 660250, 739480, 924350, 973000, 1320500, 1848700, 2310875, 2641000, 3697400, 4621750, 9243500, 18487000]

約数ペア:

[(1, 18487000), (2, 9243500), (4, 4621750), (5, 3697400), (7, 2641000), (8, 2310875), (10, 1848700), (14, 1320500), (19, 973000), (20, 924350), (25, 739480), (28, 660250), (35, 528200), (38, 486500), (40, 462175), (50, 369740), (56, 330125), (70, 264100), (76, 243250), (95, 194600), (100, 184870), (125, 147896), (133, 139000), (139, 133000), (140, 132050), (152, 121625), (175, 105640), (190, 97300), (200, 92435), (250, 73948), (266, 69500), (278, 66500), (280, 66025), (350, 52820), (380, 48650), (475, 38920), (500, 36974), (532, 34750), (556, 33250), (665, 27800), (695, 26600), (700, 26410), (760, 24325), (875, 21128), (950, 19460), (973, 19000), (1000, 18487), (1064, 17375), (1112, 16625), (1330, 13900), (1390, 13300), (1400, 13205), (1750, 10564), (1900, 9730), (1946, 9500), (2375, 7784), (2641, 7000), (2660, 6950), (2780, 6650), (3325, 5560), (3475, 5320), (3500, 5282), (3800, 4865), (3892, 4750)]