18666900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{2963}}^1$

素因数の和:2990

約数の個数: 108

約数和(自身を含む): 66891552

約数和(自身を除く): 48224652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 2963, 3150, 5926, 6300, 8889, 11852, 14815, 17778, 20741, 26667, 29630, 35556, 41482, 44445, 53334, 59260, 62223, 74075, 82964, 88890, 103705, 106668, 124446, 133335, 148150, 177780, 186669, 207410, 222225, 248892, 266670, 296300, 311115, 373338, 414820, 444450, 518525, 533340, 622230, 666675, 746676, 888900, 933345, 1037050, 1244460, 1333350, 1555575, 1866690, 2074100, 2666700, 3111150, 3733380, 4666725, 6222300, 9333450, 18666900]

約数ペア:

[(1, 18666900), (2, 9333450), (3, 6222300), (4, 4666725), (5, 3733380), (6, 3111150), (7, 2666700), (9, 2074100), (10, 1866690), (12, 1555575), (14, 1333350), (15, 1244460), (18, 1037050), (20, 933345), (21, 888900), (25, 746676), (28, 666675), (30, 622230), (35, 533340), (36, 518525), (42, 444450), (45, 414820), (50, 373338), (60, 311115), (63, 296300), (70, 266670), (75, 248892), (84, 222225), (90, 207410), (100, 186669), (105, 177780), (126, 148150), (140, 133335), (150, 124446), (175, 106668), (180, 103705), (210, 88890), (225, 82964), (252, 74075), (300, 62223), (315, 59260), (350, 53334), (420, 44445), (450, 41482), (525, 35556), (630, 29630), (700, 26667), (900, 20741), (1050, 17778), (1260, 14815), (1575, 11852), (2100, 8889), (2963, 6300), (3150, 5926)]