19512320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 88

約数和(自身を含む): 48538464

約数和(自身を除く): 29026144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 103, 128, 148, 160, 185, 206, 256, 296, 320, 370, 412, 512, 515, 592, 640, 740, 824, 1024, 1030, 1184, 1280, 1480, 1648, 2060, 2368, 2560, 2960, 3296, 3811, 4120, 4736, 5120, 5920, 6592, 7622, 8240, 9472, 11840, 13184, 15244, 16480, 18944, 19055, 23680, 26368, 30488, 32960, 37888, 38110, 47360, 52736, 60976, 65920, 76220, 94720, 105472, 121952, 131840, 152440, 189440, 243904, 263680, 304880, 487808, 527360, 609760, 975616, 1219520, 1951232, 2439040, 3902464, 4878080, 9756160, 19512320]

約数ペア:

[(1, 19512320), (2, 9756160), (4, 4878080), (5, 3902464), (8, 2439040), (10, 1951232), (16, 1219520), (20, 975616), (32, 609760), (37, 527360), (40, 487808), (64, 304880), (74, 263680), (80, 243904), (103, 189440), (128, 152440), (148, 131840), (160, 121952), (185, 105472), (206, 94720), (256, 76220), (296, 65920), (320, 60976), (370, 52736), (412, 47360), (512, 38110), (515, 37888), (592, 32960), (640, 30488), (740, 26368), (824, 23680), (1024, 19055), (1030, 18944), (1184, 16480), (1280, 15244), (1480, 13184), (1648, 11840), (2060, 9472), (2368, 8240), (2560, 7622), (2960, 6592), (3296, 5920), (3811, 5120), (4120, 4736)]