19929962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 33761280

約数和(自身を除く): 13831318

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 313, 403, 626, 806, 1027, 2054, 2449, 4069, 4898, 8138, 9703, 19406, 24727, 31837, 49454, 63674, 126139, 252278, 321451, 642902, 766537, 1533074, 9964981, 19929962]

約数ペア:

[(1, 19929962), (2, 9964981), (13, 1533074), (26, 766537), (31, 642902), (62, 321451), (79, 252278), (158, 126139), (313, 63674), (403, 49454), (626, 31837), (806, 24727), (1027, 19406), (2054, 9703), (2449, 8138), (4069, 4898)]