19649520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1$

素因数の和:860

約数の個数: 160

約数和(自身を含む): 73923840

約数和(自身を除く): 54274320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 827, 880, 990, 1080, 1188, 1320, 1485, 1584, 1654, 1980, 2160, 2376, 2481, 2640, 2970, 3308, 3960, 4135, 4752, 4962, 5940, 6616, 7443, 7920, 8270, 9097, 9924, 11880, 12405, 13232, 14886, 16540, 18194, 19848, 22329, 23760, 24810, 27291, 29772, 33080, 36388, 37215, 39696, 44658, 45485, 49620, 54582, 59544, 66160, 72776, 74430, 81873, 89316, 90970, 99240, 109164, 111645, 119088, 136455, 145552, 148860, 163746, 178632, 181940, 198480, 218328, 223290, 245619, 272910, 297720, 327492, 357264, 363880, 409365, 436656, 446580, 491238, 545820, 595440, 654984, 727760, 818730, 893160, 982476, 1091640, 1228095, 1309968, 1637460, 1786320, 1964952, 2183280, 2456190, 3274920, 3929904, 4912380, 6549840, 9824760, 19649520]

約数ペア:

[(1, 19649520), (2, 9824760), (3, 6549840), (4, 4912380), (5, 3929904), (6, 3274920), (8, 2456190), (9, 2183280), (10, 1964952), (11, 1786320), (12, 1637460), (15, 1309968), (16, 1228095), (18, 1091640), (20, 982476), (22, 893160), (24, 818730), (27, 727760), (30, 654984), (33, 595440), (36, 545820), (40, 491238), (44, 446580), (45, 436656), (48, 409365), (54, 363880), (55, 357264), (60, 327492), (66, 297720), (72, 272910), (80, 245619), (88, 223290), (90, 218328), (99, 198480), (108, 181940), (110, 178632), (120, 163746), (132, 148860), (135, 145552), (144, 136455), (165, 119088), (176, 111645), (180, 109164), (198, 99240), (216, 90970), (220, 89316), (240, 81873), (264, 74430), (270, 72776), (297, 66160), (330, 59544), (360, 54582), (396, 49620), (432, 45485), (440, 44658), (495, 39696), (528, 37215), (540, 36388), (594, 33080), (660, 29772), (720, 27291), (792, 24810), (827, 23760), (880, 22329), (990, 19848), (1080, 18194), (1188, 16540), (1320, 14886), (1485, 13232), (1584, 12405), (1654, 11880), (1980, 9924), (2160, 9097), (2376, 8270), (2481, 7920), (2640, 7443), (2970, 6616), (3308, 5940), (3960, 4962), (4135, 4752)]