18506250

素因数分解:

$2^1\times 3^2\times 5^5\times 7^1\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 58496256

約数和(自身を除く): 39990006

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 47, 50, 63, 70, 75, 90, 94, 105, 125, 126, 141, 150, 175, 210, 225, 235, 250, 282, 315, 329, 350, 375, 423, 450, 470, 525, 625, 630, 658, 705, 750, 846, 875, 987, 1050, 1125, 1175, 1250, 1410, 1575, 1645, 1750, 1875, 1974, 2115, 2250, 2350, 2625, 2961, 3125, 3150, 3290, 3525, 3750, 4230, 4375, 4935, 5250, 5625, 5875, 5922, 6250, 7050, 7875, 8225, 8750, 9375, 9870, 10575, 11250, 11750, 13125, 14805, 15750, 16450, 17625, 18750, 21150, 21875, 24675, 26250, 28125, 29375, 29610, 35250, 39375, 41125, 43750, 49350, 52875, 56250, 58750, 65625, 74025, 78750, 82250, 88125, 105750, 123375, 131250, 146875, 148050, 176250, 196875, 205625, 246750, 264375, 293750, 370125, 393750, 411250, 440625, 528750, 616875, 740250, 881250, 1028125, 1233750, 1321875, 1850625, 2056250, 2643750, 3084375, 3701250, 6168750, 9253125, 18506250]

約数ペア:

[(1, 18506250), (2, 9253125), (3, 6168750), (5, 3701250), (6, 3084375), (7, 2643750), (9, 2056250), (10, 1850625), (14, 1321875), (15, 1233750), (18, 1028125), (21, 881250), (25, 740250), (30, 616875), (35, 528750), (42, 440625), (45, 411250), (47, 393750), (50, 370125), (63, 293750), (70, 264375), (75, 246750), (90, 205625), (94, 196875), (105, 176250), (125, 148050), (126, 146875), (141, 131250), (150, 123375), (175, 105750), (210, 88125), (225, 82250), (235, 78750), (250, 74025), (282, 65625), (315, 58750), (329, 56250), (350, 52875), (375, 49350), (423, 43750), (450, 41125), (470, 39375), (525, 35250), (625, 29610), (630, 29375), (658, 28125), (705, 26250), (750, 24675), (846, 21875), (875, 21150), (987, 18750), (1050, 17625), (1125, 16450), (1175, 15750), (1250, 14805), (1410, 13125), (1575, 11750), (1645, 11250), (1750, 10575), (1875, 9870), (1974, 9375), (2115, 8750), (2250, 8225), (2350, 7875), (2625, 7050), (2961, 6250), (3125, 5922), (3150, 5875), (3290, 5625), (3525, 5250), (3750, 4935), (4230, 4375)]