19626984

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1613}}^1$

素因数の和:1651

約数の個数: 72

約数和(自身を含む): 57595590

約数和(自身を除く): 37968606

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1613, 2028, 3042, 3226, 4056, 4839, 6084, 6452, 9678, 12168, 12904, 14517, 19356, 20969, 29034, 38712, 41938, 58068, 62907, 83876, 116136, 125814, 167752, 188721, 251628, 272597, 377442, 503256, 545194, 754884, 817791, 1090388, 1509768, 1635582, 2180776, 2453373, 3271164, 4906746, 6542328, 9813492, 19626984]

約数ペア:

[(1, 19626984), (2, 9813492), (3, 6542328), (4, 4906746), (6, 3271164), (8, 2453373), (9, 2180776), (12, 1635582), (13, 1509768), (18, 1090388), (24, 817791), (26, 754884), (36, 545194), (39, 503256), (52, 377442), (72, 272597), (78, 251628), (104, 188721), (117, 167752), (156, 125814), (169, 116136), (234, 83876), (312, 62907), (338, 58068), (468, 41938), (507, 38712), (676, 29034), (936, 20969), (1014, 19356), (1352, 14517), (1521, 12904), (1613, 12168), (2028, 9678), (3042, 6452), (3226, 6084), (4056, 4839)]