18185964

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 46710720

約数和(自身を除く): 28524756

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 83, 93, 114, 124, 166, 186, 228, 249, 332, 372, 498, 589, 961, 996, 1178, 1577, 1767, 1922, 2356, 2573, 2883, 3154, 3534, 3844, 4731, 5146, 5766, 6308, 7068, 7719, 9462, 10292, 11532, 15438, 18259, 18924, 30876, 36518, 48887, 54777, 73036, 79763, 97774, 109554, 146661, 159526, 195548, 219108, 239289, 293322, 319052, 478578, 586644, 957156, 1515497, 3030994, 4546491, 6061988, 9092982, 18185964]

約数ペア:

[(1, 18185964), (2, 9092982), (3, 6061988), (4, 4546491), (6, 3030994), (12, 1515497), (19, 957156), (31, 586644), (38, 478578), (57, 319052), (62, 293322), (76, 239289), (83, 219108), (93, 195548), (114, 159526), (124, 146661), (166, 109554), (186, 97774), (228, 79763), (249, 73036), (332, 54777), (372, 48887), (498, 36518), (589, 30876), (961, 18924), (996, 18259), (1178, 15438), (1577, 11532), (1767, 10292), (1922, 9462), (2356, 7719), (2573, 7068), (2883, 6308), (3154, 5766), (3534, 5146), (3844, 4731)]