19939872

素因数分解:

$2^5\times 3^1\times {\mathrm{53}}^1\times {\mathrm{3919}}^1$

素因数の和:3985

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 33403488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 96, 106, 159, 212, 318, 424, 636, 848, 1272, 1696, 2544, 3919, 5088, 7838, 11757, 15676, 23514, 31352, 47028, 62704, 94056, 125408, 188112, 207707, 376224, 415414, 623121, 830828, 1246242, 1661656, 2492484, 3323312, 4984968, 6646624, 9969936, 19939872]

約数ペア:

[(1, 19939872), (2, 9969936), (3, 6646624), (4, 4984968), (6, 3323312), (8, 2492484), (12, 1661656), (16, 1246242), (24, 830828), (32, 623121), (48, 415414), (53, 376224), (96, 207707), (106, 188112), (159, 125408), (212, 94056), (318, 62704), (424, 47028), (636, 31352), (848, 23514), (1272, 15676), (1696, 11757), (2544, 7838), (3919, 5088)]