18913176

素因数分解:

$2^3\times 3^7\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 128

約数和(自身を含む): 56678400

約数和(自身を除く): 37765224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 47, 54, 69, 72, 81, 92, 94, 108, 138, 141, 162, 184, 188, 207, 216, 243, 276, 282, 324, 376, 414, 423, 486, 552, 564, 621, 648, 729, 828, 846, 972, 1081, 1128, 1242, 1269, 1458, 1656, 1692, 1863, 1944, 2162, 2187, 2484, 2538, 2916, 3243, 3384, 3726, 3807, 4324, 4374, 4968, 5076, 5589, 5832, 6486, 7452, 7614, 8648, 8748, 9729, 10152, 11178, 11421, 12972, 14904, 15228, 16767, 17496, 19458, 22356, 22842, 25944, 29187, 30456, 33534, 34263, 38916, 44712, 45684, 50301, 58374, 67068, 68526, 77832, 87561, 91368, 100602, 102789, 116748, 134136, 137052, 175122, 201204, 205578, 233496, 262683, 274104, 350244, 402408, 411156, 525366, 700488, 788049, 822312, 1050732, 1576098, 2101464, 2364147, 3152196, 4728294, 6304392, 9456588, 18913176]

約数ペア:

[(1, 18913176), (2, 9456588), (3, 6304392), (4, 4728294), (6, 3152196), (8, 2364147), (9, 2101464), (12, 1576098), (18, 1050732), (23, 822312), (24, 788049), (27, 700488), (36, 525366), (46, 411156), (47, 402408), (54, 350244), (69, 274104), (72, 262683), (81, 233496), (92, 205578), (94, 201204), (108, 175122), (138, 137052), (141, 134136), (162, 116748), (184, 102789), (188, 100602), (207, 91368), (216, 87561), (243, 77832), (276, 68526), (282, 67068), (324, 58374), (376, 50301), (414, 45684), (423, 44712), (486, 38916), (552, 34263), (564, 33534), (621, 30456), (648, 29187), (729, 25944), (828, 22842), (846, 22356), (972, 19458), (1081, 17496), (1128, 16767), (1242, 15228), (1269, 14904), (1458, 12972), (1656, 11421), (1692, 11178), (1863, 10152), (1944, 9729), (2162, 8748), (2187, 8648), (2484, 7614), (2538, 7452), (2916, 6486), (3243, 5832), (3384, 5589), (3726, 5076), (3807, 4968), (4324, 4374)]