31820706

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 74889360

約数和(自身を除く): 43068654

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 59, 83, 114, 118, 166, 171, 177, 249, 342, 354, 361, 498, 531, 722, 747, 1062, 1083, 1121, 1494, 1577, 2166, 2242, 3154, 3249, 3363, 4731, 4897, 6498, 6726, 9462, 9794, 10089, 14193, 14691, 20178, 21299, 28386, 29382, 29963, 42598, 44073, 59926, 63897, 88146, 89889, 93043, 127794, 179778, 186086, 191691, 269667, 279129, 383382, 539334, 558258, 837387, 1674774, 1767817, 3535634, 5303451, 10606902, 15910353, 31820706]

約数ペア:

[(1, 31820706), (2, 15910353), (3, 10606902), (6, 5303451), (9, 3535634), (18, 1767817), (19, 1674774), (38, 837387), (57, 558258), (59, 539334), (83, 383382), (114, 279129), (118, 269667), (166, 191691), (171, 186086), (177, 179778), (249, 127794), (342, 93043), (354, 89889), (361, 88146), (498, 63897), (531, 59926), (722, 44073), (747, 42598), (1062, 29963), (1083, 29382), (1121, 28386), (1494, 21299), (1577, 20178), (2166, 14691), (2242, 14193), (3154, 10089), (3249, 9794), (3363, 9462), (4731, 6726), (4897, 6498)]