19215680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 112

約数和(自身を含む): 51352704

約数和(自身を除く): 32137024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 103, 106, 110, 160, 176, 206, 212, 220, 265, 320, 352, 412, 424, 440, 515, 530, 583, 704, 824, 848, 880, 1030, 1060, 1133, 1166, 1648, 1696, 1760, 2060, 2120, 2266, 2332, 2915, 3296, 3392, 3520, 4120, 4240, 4532, 4664, 5459, 5665, 5830, 6592, 8240, 8480, 9064, 9328, 10918, 11330, 11660, 16480, 16960, 18128, 18656, 21836, 22660, 23320, 27295, 32960, 36256, 37312, 43672, 45320, 46640, 54590, 60049, 72512, 87344, 90640, 93280, 109180, 120098, 174688, 181280, 186560, 218360, 240196, 300245, 349376, 362560, 436720, 480392, 600490, 873440, 960784, 1200980, 1746880, 1921568, 2401960, 3843136, 4803920, 9607840, 19215680]

約数ペア:

[(1, 19215680), (2, 9607840), (4, 4803920), (5, 3843136), (8, 2401960), (10, 1921568), (11, 1746880), (16, 1200980), (20, 960784), (22, 873440), (32, 600490), (40, 480392), (44, 436720), (53, 362560), (55, 349376), (64, 300245), (80, 240196), (88, 218360), (103, 186560), (106, 181280), (110, 174688), (160, 120098), (176, 109180), (206, 93280), (212, 90640), (220, 87344), (265, 72512), (320, 60049), (352, 54590), (412, 46640), (424, 45320), (440, 43672), (515, 37312), (530, 36256), (583, 32960), (704, 27295), (824, 23320), (848, 22660), (880, 21836), (1030, 18656), (1060, 18128), (1133, 16960), (1166, 16480), (1648, 11660), (1696, 11330), (1760, 10918), (2060, 9328), (2120, 9064), (2266, 8480), (2332, 8240), (2915, 6592), (3296, 5830), (3392, 5665), (3520, 5459), (4120, 4664), (4240, 4532)]