17997196

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 37622592

約数和(自身を除く): 19625396

約数列:

[1, 2, 4, 7, 14, 28, 41, 61, 82, 122, 164, 244, 257, 287, 427, 514, 574, 854, 1028, 1148, 1708, 1799, 2501, 3598, 5002, 7196, 10004, 10537, 15677, 17507, 21074, 31354, 35014, 42148, 62708, 70028, 73759, 109739, 147518, 219478, 295036, 438956, 642757, 1285514, 2571028, 4499299, 8998598, 17997196]

約数ペア:

[(1, 17997196), (2, 8998598), (4, 4499299), (7, 2571028), (14, 1285514), (28, 642757), (41, 438956), (61, 295036), (82, 219478), (122, 147518), (164, 109739), (244, 73759), (257, 70028), (287, 62708), (427, 42148), (514, 35014), (574, 31354), (854, 21074), (1028, 17507), (1148, 15677), (1708, 10537), (1799, 10004), (2501, 7196), (3598, 5002)]