19381544

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 45427200

約数和(自身を除く): 26045656

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 79, 91, 104, 158, 182, 316, 337, 364, 553, 632, 674, 728, 1027, 1106, 1348, 2054, 2212, 2359, 2696, 4108, 4381, 4424, 4718, 7189, 8216, 8762, 9436, 14378, 17524, 18872, 26623, 28756, 30667, 35048, 53246, 57512, 61334, 106492, 122668, 186361, 212984, 245336, 346099, 372722, 692198, 745444, 1384396, 1490888, 2422693, 2768792, 4845386, 9690772, 19381544]

約数ペア:

[(1, 19381544), (2, 9690772), (4, 4845386), (7, 2768792), (8, 2422693), (13, 1490888), (14, 1384396), (26, 745444), (28, 692198), (52, 372722), (56, 346099), (79, 245336), (91, 212984), (104, 186361), (158, 122668), (182, 106492), (316, 61334), (337, 57512), (364, 53246), (553, 35048), (632, 30667), (674, 28756), (728, 26623), (1027, 18872), (1106, 17524), (1348, 14378), (2054, 9436), (2212, 8762), (2359, 8216), (2696, 7189), (4108, 4718), (4381, 4424)]