19974600

素因数分解:

$2^3\times 3^6\times 5^2\times {\mathrm{137}}^1$

素因数の和:171

約数の個数: 168

約数和(自身を含む): 70137810

約数和(自身を除く): 50163210

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 137, 150, 162, 180, 200, 216, 225, 243, 270, 274, 300, 324, 360, 405, 411, 450, 486, 540, 548, 600, 648, 675, 685, 729, 810, 822, 900, 972, 1080, 1096, 1215, 1233, 1350, 1370, 1458, 1620, 1644, 1800, 1944, 2025, 2055, 2430, 2466, 2700, 2740, 2916, 3240, 3288, 3425, 3645, 3699, 4050, 4110, 4860, 4932, 5400, 5480, 5832, 6075, 6165, 6850, 7290, 7398, 8100, 8220, 9720, 9864, 10275, 11097, 12150, 12330, 13700, 14580, 14796, 16200, 16440, 18225, 18495, 20550, 22194, 24300, 24660, 27400, 29160, 29592, 30825, 33291, 36450, 36990, 41100, 44388, 48600, 49320, 55485, 61650, 66582, 72900, 73980, 82200, 88776, 92475, 99873, 110970, 123300, 133164, 145800, 147960, 166455, 184950, 199746, 221940, 246600, 266328, 277425, 332910, 369900, 399492, 443880, 499365, 554850, 665820, 739800, 798984, 832275, 998730, 1109700, 1331640, 1664550, 1997460, 2219400, 2496825, 3329100, 3994920, 4993650, 6658200, 9987300, 19974600]

約数ペア:

[(1, 19974600), (2, 9987300), (3, 6658200), (4, 4993650), (5, 3994920), (6, 3329100), (8, 2496825), (9, 2219400), (10, 1997460), (12, 1664550), (15, 1331640), (18, 1109700), (20, 998730), (24, 832275), (25, 798984), (27, 739800), (30, 665820), (36, 554850), (40, 499365), (45, 443880), (50, 399492), (54, 369900), (60, 332910), (72, 277425), (75, 266328), (81, 246600), (90, 221940), (100, 199746), (108, 184950), (120, 166455), (135, 147960), (137, 145800), (150, 133164), (162, 123300), (180, 110970), (200, 99873), (216, 92475), (225, 88776), (243, 82200), (270, 73980), (274, 72900), (300, 66582), (324, 61650), (360, 55485), (405, 49320), (411, 48600), (450, 44388), (486, 41100), (540, 36990), (548, 36450), (600, 33291), (648, 30825), (675, 29592), (685, 29160), (729, 27400), (810, 24660), (822, 24300), (900, 22194), (972, 20550), (1080, 18495), (1096, 18225), (1215, 16440), (1233, 16200), (1350, 14796), (1370, 14580), (1458, 13700), (1620, 12330), (1644, 12150), (1800, 11097), (1944, 10275), (2025, 9864), (2055, 9720), (2430, 8220), (2466, 8100), (2700, 7398), (2740, 7290), (2916, 6850), (3240, 6165), (3288, 6075), (3425, 5832), (3645, 5480), (3699, 5400), (4050, 4932), (4110, 4860)]