18733921745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{3853}}^1$

素因数の和:4122

約数の個数: 64

約数和(自身を含む): 28583483904

約数和(自身を除く): 9849562159

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 173, 365, 385, 511, 803, 865, 1211, 1903, 2555, 3853, 4015, 5621, 6055, 9515, 12629, 13321, 19265, 26971, 28105, 42383, 63145, 66605, 88403, 134855, 138919, 211915, 281269, 296681, 442015, 666569, 694595, 972433, 1406345, 1483405, 1968883, 3093959, 3332845, 4665983, 4862165, 7332259, 9844415, 15469795, 21657713, 23329915, 36661295, 48659537, 51325813, 108288565, 243297685, 256629065, 340616759, 535254907, 1703083795, 2676274535, 3746784349, 18733921745]

約数ペア:

[(1, 18733921745), (5, 3746784349), (7, 2676274535), (11, 1703083795), (35, 535254907), (55, 340616759), (73, 256629065), (77, 243297685), (173, 108288565), (365, 51325813), (385, 48659537), (511, 36661295), (803, 23329915), (865, 21657713), (1211, 15469795), (1903, 9844415), (2555, 7332259), (3853, 4862165), (4015, 4665983), (5621, 3332845), (6055, 3093959), (9515, 1968883), (12629, 1483405), (13321, 1406345), (19265, 972433), (26971, 694595), (28105, 666569), (42383, 442015), (63145, 296681), (66605, 281269), (88403, 211915), (134855, 138919)]