19956156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 54700800

約数和(自身を除く): 34744644

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 73, 76, 109, 114, 132, 146, 209, 218, 219, 228, 292, 327, 418, 436, 438, 627, 654, 803, 836, 876, 1199, 1254, 1308, 1387, 1606, 2071, 2398, 2409, 2508, 2774, 3212, 3597, 4142, 4161, 4796, 4818, 5548, 6213, 7194, 7957, 8284, 8322, 9636, 12426, 14388, 15257, 15914, 16644, 22781, 23871, 24852, 30514, 31828, 45562, 45771, 47742, 61028, 68343, 87527, 91124, 91542, 95484, 136686, 151183, 175054, 183084, 262581, 273372, 302366, 350108, 453549, 525162, 604732, 907098, 1050324, 1663013, 1814196, 3326026, 4989039, 6652052, 9978078, 19956156]

約数ペア:

[(1, 19956156), (2, 9978078), (3, 6652052), (4, 4989039), (6, 3326026), (11, 1814196), (12, 1663013), (19, 1050324), (22, 907098), (33, 604732), (38, 525162), (44, 453549), (57, 350108), (66, 302366), (73, 273372), (76, 262581), (109, 183084), (114, 175054), (132, 151183), (146, 136686), (209, 95484), (218, 91542), (219, 91124), (228, 87527), (292, 68343), (327, 61028), (418, 47742), (436, 45771), (438, 45562), (627, 31828), (654, 30514), (803, 24852), (836, 23871), (876, 22781), (1199, 16644), (1254, 15914), (1308, 15257), (1387, 14388), (1606, 12426), (2071, 9636), (2398, 8322), (2409, 8284), (2508, 7957), (2774, 7194), (3212, 6213), (3597, 5548), (4142, 4818), (4161, 4796)]