19971294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 49061376

約数和(自身を除く): 29090082

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 83, 102, 119, 166, 238, 249, 337, 357, 498, 581, 674, 714, 1011, 1162, 1411, 1743, 2022, 2359, 2822, 3486, 4233, 4718, 5729, 7077, 8466, 9877, 11458, 14154, 17187, 19754, 27971, 29631, 34374, 40103, 55942, 59262, 80206, 83913, 120309, 167826, 195797, 240618, 391594, 475507, 587391, 951014, 1174782, 1426521, 2853042, 3328549, 6657098, 9985647, 19971294]

約数ペア:

[(1, 19971294), (2, 9985647), (3, 6657098), (6, 3328549), (7, 2853042), (14, 1426521), (17, 1174782), (21, 951014), (34, 587391), (42, 475507), (51, 391594), (83, 240618), (102, 195797), (119, 167826), (166, 120309), (238, 83913), (249, 80206), (337, 59262), (357, 55942), (498, 40103), (581, 34374), (674, 29631), (714, 27971), (1011, 19754), (1162, 17187), (1411, 14154), (1743, 11458), (2022, 9877), (2359, 8466), (2822, 7077), (3486, 5729), (4233, 4718)]