19992952

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21001}}^1$

素因数の和:21031

約数の個数: 32

約数和(自身を含む): 45364320

約数和(自身を除く): 25371368

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21001, 42002, 84004, 147007, 168008, 294014, 357017, 588028, 714034, 1176056, 1428068, 2499119, 2856136, 4998238, 9996476, 19992952]

約数ペア:

[(1, 19992952), (2, 9996476), (4, 4998238), (7, 2856136), (8, 2499119), (14, 1428068), (17, 1176056), (28, 714034), (34, 588028), (56, 357017), (68, 294014), (119, 168008), (136, 147007), (238, 84004), (476, 42002), (952, 21001)]