19138994

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 33914496

約数和(自身を除く): 14775502

約数列:

[1, 2, 7, 14, 61, 73, 122, 146, 307, 427, 511, 614, 854, 1022, 2149, 4298, 4453, 8906, 18727, 22411, 31171, 37454, 44822, 62342, 131089, 156877, 262178, 313754, 1367071, 2734142, 9569497, 19138994]

約数ペア:

[(1, 19138994), (2, 9569497), (7, 2734142), (14, 1367071), (61, 313754), (73, 262178), (122, 156877), (146, 131089), (307, 62342), (427, 44822), (511, 37454), (614, 31171), (854, 22411), (1022, 18727), (2149, 8906), (4298, 4453)]