19637100

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1039}}^1$

素因数の和:1069

約数の個数: 144

約数和(自身を含む): 72217600

約数和(自身を除く): 52580500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1039, 1050, 1260, 1350, 1575, 1890, 2078, 2100, 2700, 3117, 3150, 3780, 4156, 4725, 5195, 6234, 6300, 7273, 9351, 9450, 10390, 12468, 14546, 15585, 18702, 18900, 20780, 21819, 25975, 28053, 29092, 31170, 36365, 37404, 43638, 46755, 51950, 56106, 62340, 65457, 72730, 77925, 87276, 93510, 103900, 109095, 112212, 130914, 140265, 145460, 155850, 181825, 187020, 196371, 218190, 233775, 261828, 280530, 311700, 327285, 363650, 392742, 436380, 467550, 545475, 561060, 654570, 701325, 727300, 785484, 935100, 981855, 1090950, 1309140, 1402650, 1636425, 1963710, 2181900, 2805300, 3272850, 3927420, 4909275, 6545700, 9818550, 19637100]

約数ペア:

[(1, 19637100), (2, 9818550), (3, 6545700), (4, 4909275), (5, 3927420), (6, 3272850), (7, 2805300), (9, 2181900), (10, 1963710), (12, 1636425), (14, 1402650), (15, 1309140), (18, 1090950), (20, 981855), (21, 935100), (25, 785484), (27, 727300), (28, 701325), (30, 654570), (35, 561060), (36, 545475), (42, 467550), (45, 436380), (50, 392742), (54, 363650), (60, 327285), (63, 311700), (70, 280530), (75, 261828), (84, 233775), (90, 218190), (100, 196371), (105, 187020), (108, 181825), (126, 155850), (135, 145460), (140, 140265), (150, 130914), (175, 112212), (180, 109095), (189, 103900), (210, 93510), (225, 87276), (252, 77925), (270, 72730), (300, 65457), (315, 62340), (350, 56106), (378, 51950), (420, 46755), (450, 43638), (525, 37404), (540, 36365), (630, 31170), (675, 29092), (700, 28053), (756, 25975), (900, 21819), (945, 20780), (1039, 18900), (1050, 18702), (1260, 15585), (1350, 14546), (1575, 12468), (1890, 10390), (2078, 9450), (2100, 9351), (2700, 7273), (3117, 6300), (3150, 6234), (3780, 5195), (4156, 4725)]