19533900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 62496000

約数和(自身を除く): 42962100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 25, 30, 38, 46, 50, 57, 60, 69, 75, 76, 92, 95, 100, 114, 115, 138, 149, 150, 190, 228, 230, 276, 285, 298, 300, 345, 380, 437, 447, 460, 475, 570, 575, 596, 690, 745, 874, 894, 950, 1140, 1150, 1311, 1380, 1425, 1490, 1725, 1748, 1788, 1900, 2185, 2235, 2300, 2622, 2831, 2850, 2980, 3427, 3450, 3725, 4370, 4470, 5244, 5662, 5700, 6555, 6854, 6900, 7450, 8493, 8740, 8940, 10281, 10925, 11175, 11324, 13110, 13708, 14155, 14900, 16986, 17135, 20562, 21850, 22350, 26220, 28310, 32775, 33972, 34270, 41124, 42465, 43700, 44700, 51405, 56620, 65113, 65550, 68540, 70775, 84930, 85675, 102810, 130226, 131100, 141550, 169860, 171350, 195339, 205620, 212325, 257025, 260452, 283100, 325565, 342700, 390678, 424650, 514050, 651130, 781356, 849300, 976695, 1028100, 1302260, 1627825, 1953390, 3255650, 3906780, 4883475, 6511300, 9766950, 19533900]

約数ペア:

[(1, 19533900), (2, 9766950), (3, 6511300), (4, 4883475), (5, 3906780), (6, 3255650), (10, 1953390), (12, 1627825), (15, 1302260), (19, 1028100), (20, 976695), (23, 849300), (25, 781356), (30, 651130), (38, 514050), (46, 424650), (50, 390678), (57, 342700), (60, 325565), (69, 283100), (75, 260452), (76, 257025), (92, 212325), (95, 205620), (100, 195339), (114, 171350), (115, 169860), (138, 141550), (149, 131100), (150, 130226), (190, 102810), (228, 85675), (230, 84930), (276, 70775), (285, 68540), (298, 65550), (300, 65113), (345, 56620), (380, 51405), (437, 44700), (447, 43700), (460, 42465), (475, 41124), (570, 34270), (575, 33972), (596, 32775), (690, 28310), (745, 26220), (874, 22350), (894, 21850), (950, 20562), (1140, 17135), (1150, 16986), (1311, 14900), (1380, 14155), (1425, 13708), (1490, 13110), (1725, 11324), (1748, 11175), (1788, 10925), (1900, 10281), (2185, 8940), (2235, 8740), (2300, 8493), (2622, 7450), (2831, 6900), (2850, 6854), (2980, 6555), (3427, 5700), (3450, 5662), (3725, 5244), (4370, 4470)]