19537184

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 40937400

約数和(自身を除く): 21400216

約数列:

[1, 2, 4, 8, 16, 29, 32, 37, 58, 74, 116, 148, 232, 296, 464, 569, 592, 928, 1073, 1138, 1184, 2146, 2276, 4292, 4552, 8584, 9104, 16501, 17168, 18208, 21053, 33002, 34336, 42106, 66004, 84212, 132008, 168424, 264016, 336848, 528032, 610537, 673696, 1221074, 2442148, 4884296, 9768592, 19537184]

約数ペア:

[(1, 19537184), (2, 9768592), (4, 4884296), (8, 2442148), (16, 1221074), (29, 673696), (32, 610537), (37, 528032), (58, 336848), (74, 264016), (116, 168424), (148, 132008), (232, 84212), (296, 66004), (464, 42106), (569, 34336), (592, 33002), (928, 21053), (1073, 18208), (1138, 17168), (1184, 16501), (2146, 9104), (2276, 8584), (4292, 4552)]