16681088

素因数分解:

$2^7\times {\mathrm{19}}^4$

素因数の和:90

約数の個数: 40

約数和(自身を含む): 35078055

約数和(自身を除く): 18396967

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 361, 608, 722, 1216, 1444, 2432, 2888, 5776, 6859, 11552, 13718, 23104, 27436, 46208, 54872, 109744, 130321, 219488, 260642, 438976, 521284, 877952, 1042568, 2085136, 4170272, 8340544, 16681088]

約数ペア:

[(1, 16681088), (2, 8340544), (4, 4170272), (8, 2085136), (16, 1042568), (19, 877952), (32, 521284), (38, 438976), (64, 260642), (76, 219488), (128, 130321), (152, 109744), (304, 54872), (361, 46208), (608, 27436), (722, 23104), (1216, 13718), (1444, 11552), (2432, 6859), (2888, 5776)]