18019800

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 64281600

約数和(自身を除く): 46261800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 47, 50, 54, 60, 71, 72, 75, 90, 94, 100, 108, 120, 135, 141, 142, 150, 180, 188, 200, 213, 216, 225, 235, 270, 282, 284, 300, 355, 360, 376, 423, 426, 450, 470, 540, 564, 568, 600, 639, 675, 705, 710, 846, 852, 900, 940, 1065, 1080, 1128, 1175, 1269, 1278, 1350, 1410, 1420, 1692, 1704, 1775, 1800, 1880, 1917, 2115, 2130, 2350, 2538, 2556, 2700, 2820, 2840, 3195, 3337, 3384, 3525, 3550, 3834, 4230, 4260, 4700, 5076, 5112, 5325, 5400, 5640, 6345, 6390, 6674, 7050, 7100, 7668, 8460, 8520, 9400, 9585, 10011, 10152, 10575, 10650, 12690, 12780, 13348, 14100, 14200, 15336, 15975, 16685, 16920, 19170, 20022, 21150, 21300, 25380, 25560, 26696, 28200, 30033, 31725, 31950, 33370, 38340, 40044, 42300, 42600, 47925, 50055, 50760, 60066, 63450, 63900, 66740, 76680, 80088, 83425, 84600, 90099, 95850, 100110, 120132, 126900, 127800, 133480, 150165, 166850, 180198, 191700, 200220, 240264, 250275, 253800, 300330, 333700, 360396, 383400, 400440, 450495, 500550, 600660, 667400, 720792, 750825, 900990, 1001100, 1201320, 1501650, 1801980, 2002200, 2252475, 3003300, 3603960, 4504950, 6006600, 9009900, 18019800]

約数ペア:

[(1, 18019800), (2, 9009900), (3, 6006600), (4, 4504950), (5, 3603960), (6, 3003300), (8, 2252475), (9, 2002200), (10, 1801980), (12, 1501650), (15, 1201320), (18, 1001100), (20, 900990), (24, 750825), (25, 720792), (27, 667400), (30, 600660), (36, 500550), (40, 450495), (45, 400440), (47, 383400), (50, 360396), (54, 333700), (60, 300330), (71, 253800), (72, 250275), (75, 240264), (90, 200220), (94, 191700), (100, 180198), (108, 166850), (120, 150165), (135, 133480), (141, 127800), (142, 126900), (150, 120132), (180, 100110), (188, 95850), (200, 90099), (213, 84600), (216, 83425), (225, 80088), (235, 76680), (270, 66740), (282, 63900), (284, 63450), (300, 60066), (355, 50760), (360, 50055), (376, 47925), (423, 42600), (426, 42300), (450, 40044), (470, 38340), (540, 33370), (564, 31950), (568, 31725), (600, 30033), (639, 28200), (675, 26696), (705, 25560), (710, 25380), (846, 21300), (852, 21150), (900, 20022), (940, 19170), (1065, 16920), (1080, 16685), (1128, 15975), (1175, 15336), (1269, 14200), (1278, 14100), (1350, 13348), (1410, 12780), (1420, 12690), (1692, 10650), (1704, 10575), (1775, 10152), (1800, 10011), (1880, 9585), (1917, 9400), (2115, 8520), (2130, 8460), (2350, 7668), (2538, 7100), (2556, 7050), (2700, 6674), (2820, 6390), (2840, 6345), (3195, 5640), (3337, 5400), (3384, 5325), (3525, 5112), (3550, 5076), (3834, 4700), (4230, 4260)]