19248640

素因数分解:

$2^9\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 47238048

約数和(自身を除く): 27989408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 103, 128, 146, 160, 206, 256, 292, 320, 365, 412, 512, 515, 584, 640, 730, 824, 1030, 1168, 1280, 1460, 1648, 2060, 2336, 2560, 2920, 3296, 4120, 4672, 5840, 6592, 7519, 8240, 9344, 11680, 13184, 15038, 16480, 18688, 23360, 26368, 30076, 32960, 37376, 37595, 46720, 52736, 60152, 65920, 75190, 93440, 120304, 131840, 150380, 186880, 240608, 263680, 300760, 481216, 601520, 962432, 1203040, 1924864, 2406080, 3849728, 4812160, 9624320, 19248640]

約数ペア:

[(1, 19248640), (2, 9624320), (4, 4812160), (5, 3849728), (8, 2406080), (10, 1924864), (16, 1203040), (20, 962432), (32, 601520), (40, 481216), (64, 300760), (73, 263680), (80, 240608), (103, 186880), (128, 150380), (146, 131840), (160, 120304), (206, 93440), (256, 75190), (292, 65920), (320, 60152), (365, 52736), (412, 46720), (512, 37595), (515, 37376), (584, 32960), (640, 30076), (730, 26368), (824, 23360), (1030, 18688), (1168, 16480), (1280, 15038), (1460, 13184), (1648, 11680), (2060, 9344), (2336, 8240), (2560, 7519), (2920, 6592), (3296, 5840), (4120, 4672)]