18553040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 30193840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 727, 880, 1160, 1276, 1454, 1595, 2320, 2552, 2908, 3190, 3635, 5104, 5816, 6380, 7270, 7997, 11632, 12760, 14540, 15994, 21083, 25520, 29080, 31988, 39985, 42166, 58160, 63976, 79970, 84332, 105415, 127952, 159940, 168664, 210830, 231913, 319880, 337328, 421660, 463826, 639760, 843320, 927652, 1159565, 1686640, 1855304, 2319130, 3710608, 4638260, 9276520, 18553040]

約数ペア:

[(1, 18553040), (2, 9276520), (4, 4638260), (5, 3710608), (8, 2319130), (10, 1855304), (11, 1686640), (16, 1159565), (20, 927652), (22, 843320), (29, 639760), (40, 463826), (44, 421660), (55, 337328), (58, 319880), (80, 231913), (88, 210830), (110, 168664), (116, 159940), (145, 127952), (176, 105415), (220, 84332), (232, 79970), (290, 63976), (319, 58160), (440, 42166), (464, 39985), (580, 31988), (638, 29080), (727, 25520), (880, 21083), (1160, 15994), (1276, 14540), (1454, 12760), (1595, 11632), (2320, 7997), (2552, 7270), (2908, 6380), (3190, 5816), (3635, 5104)]