19011520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{491}}^1$

素因数の和:530

約数の個数: 84

約数和(自身を含む): 49862232

約数和(自身を除く): 30850712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 491, 605, 704, 880, 968, 982, 1210, 1760, 1936, 1964, 2420, 2455, 3520, 3872, 3928, 4840, 4910, 5401, 7744, 7856, 9680, 9820, 10802, 15712, 19360, 19640, 21604, 27005, 31424, 38720, 39280, 43208, 54010, 59411, 78560, 86416, 108020, 118822, 157120, 172832, 216040, 237644, 297055, 345664, 432080, 475288, 594110, 864160, 950576, 1188220, 1728320, 1901152, 2376440, 3802304, 4752880, 9505760, 19011520]

約数ペア:

[(1, 19011520), (2, 9505760), (4, 4752880), (5, 3802304), (8, 2376440), (10, 1901152), (11, 1728320), (16, 1188220), (20, 950576), (22, 864160), (32, 594110), (40, 475288), (44, 432080), (55, 345664), (64, 297055), (80, 237644), (88, 216040), (110, 172832), (121, 157120), (160, 118822), (176, 108020), (220, 86416), (242, 78560), (320, 59411), (352, 54010), (440, 43208), (484, 39280), (491, 38720), (605, 31424), (704, 27005), (880, 21604), (968, 19640), (982, 19360), (1210, 15712), (1760, 10802), (1936, 9820), (1964, 9680), (2420, 7856), (2455, 7744), (3520, 5401), (3872, 4910), (3928, 4840)]