19940388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 54302976

約数和(自身を除く): 34362588

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 73, 78, 102, 103, 146, 156, 204, 206, 219, 221, 292, 309, 412, 438, 442, 618, 663, 876, 884, 949, 1236, 1241, 1326, 1339, 1751, 1898, 2482, 2652, 2678, 2847, 3502, 3723, 3796, 4017, 4964, 5253, 5356, 5694, 7004, 7446, 7519, 8034, 10506, 11388, 14892, 15038, 16068, 16133, 21012, 22557, 22763, 30076, 32266, 45114, 45526, 48399, 64532, 68289, 90228, 91052, 96798, 97747, 127823, 136578, 193596, 195494, 255646, 273156, 293241, 383469, 390988, 511292, 586482, 766938, 1172964, 1533876, 1661699, 3323398, 4985097, 6646796, 9970194, 19940388]

約数ペア:

[(1, 19940388), (2, 9970194), (3, 6646796), (4, 4985097), (6, 3323398), (12, 1661699), (13, 1533876), (17, 1172964), (26, 766938), (34, 586482), (39, 511292), (51, 390988), (52, 383469), (68, 293241), (73, 273156), (78, 255646), (102, 195494), (103, 193596), (146, 136578), (156, 127823), (204, 97747), (206, 96798), (219, 91052), (221, 90228), (292, 68289), (309, 64532), (412, 48399), (438, 45526), (442, 45114), (618, 32266), (663, 30076), (876, 22763), (884, 22557), (949, 21012), (1236, 16133), (1241, 16068), (1326, 15038), (1339, 14892), (1751, 11388), (1898, 10506), (2482, 8034), (2652, 7519), (2678, 7446), (2847, 7004), (3502, 5694), (3723, 5356), (3796, 5253), (4017, 4964)]