18671032

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 21142088

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 47, 68, 92, 94, 127, 136, 184, 188, 254, 376, 391, 508, 782, 799, 1016, 1081, 1564, 1598, 2159, 2162, 2921, 3128, 3196, 4318, 4324, 5842, 5969, 6392, 8636, 8648, 11684, 11938, 17272, 18377, 23368, 23876, 36754, 47752, 49657, 73508, 99314, 101473, 137287, 147016, 198628, 202946, 274574, 397256, 405892, 549148, 811784, 1098296, 2333879, 4667758, 9335516, 18671032]

約数ペア:

[(1, 18671032), (2, 9335516), (4, 4667758), (8, 2333879), (17, 1098296), (23, 811784), (34, 549148), (46, 405892), (47, 397256), (68, 274574), (92, 202946), (94, 198628), (127, 147016), (136, 137287), (184, 101473), (188, 99314), (254, 73508), (376, 49657), (391, 47752), (508, 36754), (782, 23876), (799, 23368), (1016, 18377), (1081, 17272), (1564, 11938), (1598, 11684), (2159, 8648), (2162, 8636), (2921, 6392), (3128, 5969), (3196, 5842), (4318, 4324)]